Alphabetical word directory

English words starting with Q

Showing words 1120 of 239. Choose a word to read its meaning, etymology and origin.

q-tip

n

A small stick with a wad of cotton wool at each end, used for cleaning the ears or applying cosmetics.

[ˈkjuː tɪp]

qatari

adj

Relating to Qatar or its people.

[kəˈtɑri]

qigong

n

A Chinese system of physical exercises and breathing control related to tai chi, used for health, meditation, and martial arts training.

[ˈtʃiːˈɡɑːŋ]

quack

n

the harsh sound made by a duck

[kwæk]

quackery

n

The methods, practices, or claims of a person who pretends to have medical knowledge or skills; medical fraud.

[ˈkwækəri]

quad

n

A quadrangle or courtyard, especially on a college campus.

[kwɑːd]

quadrangle

n

a flat shape with four straight sides and four angles.

/ˈkwɑːdræŋɡl̩/

quadrant

n

A quarter of a circle or of its circumference.

[ˈkwɑːdrənt]

quadratic

adj

Involving a quantity or variable that is squared (raised to the power of two).

[kwɑːˈdrætɪk]

quadrature

n

the process of constructing a square equal in area to a given figure, especially a circle.

[ˈkwɑːdrətʃər]

quadrennial

adj

Happening once every four years.

[kwɑːˈdren.i.əl]

quadriceps

n

A large muscle at the front of the thigh with four parts, which helps to straighten the leg.

[ˈkwɑːdrɪseps]

quadrilateral

adj

Having four sides.

[ˌkwɑːdrɪˈlætərəl]

quadrille

n

a lively square dance for four couples, popular in the 18th and 19th centuries.

[kwɑːˈdrɪl]

quadrillion

n

the number 1,000,000,000,000,000 (10^15)

[kwɑːˈdrɪljən]

quadriplegia

n

Paralysis of all four limbs and usually the trunk.

[ˌkwɑːdrɪˈpliːdʒə]

quadriplegic

adj

affected by or relating to paralysis of all four limbs; tetraplegic.

[ˌkwɑːdrɪˈpliːdʒɪk]

quadruped

n

an animal that has four feet

[ˈkwɑːdrəˌped]

quadruple

adj

consisting of four parts, members, or elements; fourfold.

[ˈkwɑːdrʊp(ə)l]

quadruplet

n

one of four children or animals born to the same mother at the same time

[ˈkwɑːdrʊplət]

quadrupling

v

increasing or becoming four times as great or as numerous.

[kwɑːˈdruːplɪŋ]

quadrupole

n

A system or arrangement of four magnetic poles or electric charges, especially two positive and two negative arranged alternately.

[ˈkwɑːdrəpoʊl]

quaff

v

To drink a large amount of something quickly and heartily.

[kwɑːf]

quagga

n

An extinct South African zebra that had a yellowish-brown coat with darker stripes mainly on the head, neck, and forequarters.

[ˈkwæɡə]

quagmire

n

An area of soft, wet ground that you sink into.

[ˈkwæɡ.maɪər]

quahog

n

A large, edible, hard-shelled clam found along the Atlantic coast of North America.

[ˈkoʊ.hɑːɡ]

quail

n

A small, short-tailed bird that is often hunted for sport or food.

[kweɪl]

quaint

adj

Attractively unusual or old-fashioned.

[kweɪnt]

quaintly

adv

in an attractively unusual or old-fashioned manner.

[ˈkweɪntli]

quaintness

n

the quality of being attractively unusual or old-fashioned.

[ˈkweɪntnəs]

quake

v

To shake or tremble, especially from fear or because of an earthquake.

[kweɪk]

Quaker

n

A member of the Religious Society of Friends, a Christian group known for its emphasis on direct experience of God, simplicity, and pacifism.

[ˈkweɪkər]

quaking

adj

Shaking or trembling, typically as a result of fear, cold, or weakness.

[ˈkweɪkɪŋ]

quale

n

A quality or property as perceived or experienced by a conscious observer, especially a subjective sensory experience.

[ˈkwɑːleɪ]

qualification

n

An official record or achievement (such as a degree, certificate, or skill) that proves you have the ability to do something.

[ˌkwɑːlɪfɪˈkeɪʃn]

qualified

adj

Having passed the necessary examinations or completed the necessary training to do a particular job or activity.

[ˈkwɑːlɪfaɪd]

qualifier

n

A person or team that qualifies for a competition or its next stage.

[ˈkwɑː.lə.faɪ.ɚ]

qualify

v

to have or achieve the necessary skills, knowledge, or ability to do something

[ˈkwɑːlɪfaɪ]

qualifying

adj

Serving as a qualification or meeting a necessary standard.

[ˈkwɑːlɪfaɪɪŋ]

qualitative

adj

relating to the quality or standard of something rather than its quantity.

[ˈkwɑː.lə.teɪ.t̬ɪv]

qualitatively

adv

In a way that relates to or involves the quality or character of something, rather than its quantity or amount.

[ˈkwɑː.lə.teɪ.t̬ɪv.li]

quality

n

The standard of something as measured against other things of a similar kind; the degree of excellence of something.

[ˈkwɑːləti]

quality-assurance

n

The maintenance of a desired level of quality in a service or product, especially by means of attention to every stage of the process of delivery or production.

[ˈkwɑːləti əˌʃʊrəns]

quality-control

n

The activity of checking goods as they are produced to make sure their quality is acceptable.

[ˈkwɑːləti kənˌtroʊl]

quality-of-care

noun phrase

The degree to which health services for individuals and populations increase the likelihood of desired health outcomes and are consistent with current professional knowledge.

[ˈkwɑːləti əv ker]

quality-of-life

n

The standard of health, comfort, and happiness experienced by an individual or group.

[ˌkwɑː.lə.t̬i.əvˈlaɪf]

qualm

n

a feeling of doubt or worry about whether what you are doing is right

[kwɑːm]

qualms

n

feelings of doubt or worry about whether what you are doing is right

[kwɑːmz]

quandary

n

a state of uncertainty or perplexity, especially as requiring a difficult choice between equally undesirable options.

[ˈkwɑːndəri]

quant

n

A person who specializes in or is skilled in the application of mathematical and statistical techniques, especially in finance.

[kwɑːnt]

quantifiable

adj

able to be expressed or measured as a quantity.

[ˈkwɑːntɪfaɪəbl]

quantification

n

The act or process of measuring or expressing something as a quantity or amount.

[ˌkwɑːntɪfɪˈkeɪʃən]

quantified

adj

Expressed or measured as a quantity.

[ˈkwɑːntɪfaɪd]

quantifier

n

(logic, grammar) a word or phrase (such as 'all', 'some', or 'no') that expresses quantity or scope.

[ˈkwɑːntɪfaɪər]

quantify

v

To measure or express the quantity of something.

[ˈkwɑːntɪfaɪ]

quantitative

adj

Relating to, measuring, or measured by the quantity of something rather than its quality.

[ˈkwɑːntɪteɪtɪv]

quantitatively

adv

In a way that relates to, measures, or expresses the amount or number of something.

[ˈkwɑːntəteɪtɪvli]

quantity

n

An amount or number of something, especially one that can be measured or counted.

[ˈkwɑːntəti]

quantization

n

The process of converting something into a digital form by expressing it as a series of discrete units or levels.

[ˌkwɑːntəˈzeɪʃən]

quantize

v

to restrict (a variable quantity) to discrete values rather than to a continuous set of values.

[ˈkwɑːntaɪz]

quantized

adj

(Physics) Restricted to or occurring in specific, discrete, and indivisible units or levels, rather than varying continuously.

[ˈkwɑːntaɪzd]

quantum

n

A discrete and indivisible quantity or amount of a physical property, especially as a unit in quantum theory.

[ˈkwɑːntəm]

quantum-mechanical

adj

Relating to or involving the principles of quantum mechanics.

[ˈkwɑːntəm məˈkænɪkəl]

quarantine

n

A period of time when a person or animal that has or may have a disease is kept away from others to prevent the disease from spreading.

[ˈkwɔːr.ən.tiːn]

quarantined

v

placed in isolation to prevent the spread of disease.

[ˈkwɔːrəntiːnd]

quarantining

v

The present participle or gerund of 'quarantine', meaning to place a person or animal in isolation to prevent the spread of a contagious disease.

[ˈkwɔːr.ən.tiːn.ɪŋ]

quark

n

(physics) any of several types of very small elementary particles that are fundamental constituents of matter, combining to form hadrons such as protons and neutrons.

[kwɔːrk]

quark-gluon

n

A subatomic particle composed of a bound state of quarks and gluons, such as a hadron.

[kwɑːrk ˈɡluːɑːn]

quarrel

n

An angry argument or disagreement between people, often about a personal matter.

[ˈkwɔːrəl]

quarreling

v

(present participle or gerund) arguing angrily or having a disagreement

[ˈkwɑːrəlɪŋ]

quarrelsome

adj

tending to argue or disagree with people frequently

[ˈkwɔːrəlsəm]

quarried

adj

(of stone or other materials) extracted from a quarry.

[ˈkwɔːr.id]

quarry

n

a place, typically a large, deep pit, from which stone or other materials are or have been extracted

[ˈkwɔːri]

quart

n

A unit of liquid capacity equal to a quarter of a gallon or two pints, equivalent to approximately 1.136 liters in the UK and 0.946 liters in the US.

[kwɔːrt]

quarter

n

One of four equal parts of something

[ˈkwɔːrtər]

quarter-acre

n

A unit of area equal to one quarter of an acre, or 10,890 square feet (approximately 0.1012 hectares).

[ˌkwɔːrtər ˈeɪkər]

quarter-century

n

A period of twenty-five years.

[ˌkwɔːrtərˈsentʃəri]

quarter-hour

n

A period of fifteen minutes.

[ˌkwɔːrtər ˈaʊər]

quarter-inch

adj

Measuring a quarter of an inch in length, width, or diameter.

[ˈkwɔːrtər ɪntʃ]

quarter-mile

n

A unit of linear measure equal to one fourth of a mile (440 yards or approximately 402 meters).

[ˌkwɔːrtər ˈmaɪl]

quarter-point

n

A unit of measurement equal to one quarter of one percent (0.25%), used especially in finance to describe changes in interest rates or bond yields.

[ˈkwɔːrtər pɔɪnt]

quarter-pound

n

A unit of weight equal to a quarter of a pound (avoirdupois), equivalent to 4 ounces or approximately 113.4 grams.

[ˌkwɔːrtərˈpaʊnd]

quarter-size

adj

Having a size equal to one quarter of a standard or original size.

[ˈkwɔːrtər saɪz]

quarter-sized

adj

Having a size equal to or approximately that of a quarter (a U.S. or Canadian coin).

[ˈkwɔːrtər saɪzd]

quarterback

n

The player in American football who directs the team's attacking play.

[ˈkwɔːrtərbæk]

quarterdeck

n

The part of the upper deck of a ship near the stern, traditionally reserved for officers.

[ˈkwɔːrtərdek]

quarterfinal

n

A match or round in a competition that comes before the semifinal, in which eight players or teams compete.

[ˌkwɔːrtərˈfaɪnl]

quarterly

adj

Happening or produced four times a year.

[ˈkwɔːrtərli]

quartermaster

n

a military officer responsible for providing quarters, rations, clothing, and other supplies

[ˈkwɔːrtərˌmæstər]

quarterstaff

n

A long, stout pole, traditionally of oak, used as a weapon in England from the Middle Ages to the 18th century.

[ˈkwɔːrtərstæf]

quartet

n

a group of four musicians who play musical instruments or sing together

[kwɔːrˈtet]

quartier

n

A district or neighborhood in a French-speaking city or town.

[kɑrˈtjeɪ]

quartile

n

Any of the three values that divide a set of ranked data into four equal parts.

[ˈkwɔːrtaɪl]

quarto

n

a size of book page that results from folding a whole sheet into four leaves

[ˈkwɔːrtoʊ]

quartz

n

a hard, typically transparent mineral consisting of silicon dioxide, found widely in igneous, metamorphic, and sedimentary rocks.

[kwɔːrts]

quartzite

n

a very hard, granular metamorphic rock consisting essentially of quartz that has recrystallized under heat and pressure.

[ˈkwɔːrtsaɪt]

quasar

n

A very bright object at the center of a distant galaxy, powered by a supermassive black hole.

[ˈkweɪ.zɑːr]

quash

v

to reject or stop something from continuing, especially by legal or official action

[kwɑːʃ]

quasi

prefix

having some resemblance to but not actually being the thing specified

[ˈkweɪzaɪ]

quasi-experimental

adj

(of a study or research design) resembling an experiment in some way but lacking the full control or random assignment of a true experiment.

[ˌkwɑː.zi ɪkˌsper.ɪˈmen.t̬əl]

quasi-governmental

adj

Having some of the features or authority of a government organization, but not officially part of the government.

[ˌkwɑːziˌɡʌvərnˈmentl]

quasi-independent

adj

Having some degree of independence but not being fully or completely independent.

[ˌkwɑː.ziˌɪn.dɪˈpen.dənt]

quasi-judicial

adj

Having some of the powers and functions of a judge or court, typically in an administrative body, but not part of the official judiciary.

[ˌkwɑːzi dʒuːˈdɪʃəl]

quasi-legal

adj

Having some resemblance to or characteristics of something legal, but not fully or officially so.

[ˈkwɑːzi ˈliːɡl̩]

quasi-military

adj

Having some of the features or characteristics of a military force but not officially part of a country's armed forces.

[ˌkwɑːsi ˈmɪlɪteri]

quasi-official

adj

having some authority or status but not fully or formally recognized as official.

[ˌkweɪzaɪ əˈfɪʃl]

quasi-public

adj

Having some characteristics of a public body or service, especially in being supported or regulated by the government, while not being fully state-owned or operated.

[ˌkwɑːzi ˈpʌblɪk]

quasi-religious

adj

Having some of the features or qualities that are characteristic of religion, but not being formally or fully a religion.

[ˌkwɑːsi rɪˈlɪdʒəs]

quasi-scientific

adj

Having some appearance or features of science but not meeting its full standards or methods.

[ˌkwɑː.ziˌsaɪənˈtɪf.ɪk]

quasi-static

adj

(of a process or state) changing so slowly that it can be considered to be in equilibrium at each stage.

[ˌkweɪzaɪˈstætɪk]

quaternary

adj

Relating to or denoting the most recent period of the Cenozoic era, following the Tertiary period and comprising the Pleistocene and Holocene epochs.

[ˈkwɑːtərˌneri]

quatrain

n

A stanza of four lines, typically with alternate rhymes.

[ˈkwɑː.treɪn]

quattrocento

n

the 15th century as a period of italian art and literature, characterized by the development of renaissance culture.

[ˌkwɑːtroʊˈtʃɛntoʊ]

quaver

v

(of a voice or musical sound) to shake or tremble

[ˈkweɪvər]

quavering

adj

(of a voice or sound) shaking or trembling, typically because of nervousness or strong emotion.

[ˈkweɪvərɪŋ]

quavery

adj

(of a voice or sound) trembling or shaking slightly, often because of nervousness or emotion.

[ˈkweɪvəri]

quay

n

a platform built along the bank of a waterway for ships to load and unload.

[kiː]

quayside

n

The land or area immediately next to a quay or wharf.

[ˈkiːsaɪd]

qubit

n

The basic unit of quantum information, which can exist in a state of 0, 1, or any quantum superposition of these states.

[ˈkjuːbɪt]

queasily

adv

in a way that feels sick or nauseous

[ˈkwiːzɪli]
English Words Starting with Q – Page 1 | OpenEtymology