English words starting with F

to struggle or move with difficulty, especially in water, mud, or a deep soft substance

Struggling or moving clumsily or with difficulty, especially in water, mud, or a difficult situation.

A fine, soft powder made by grinding grain, typically wheat, used for making bread, cakes, etc.

covered or dusted with a powdery substance, especially flour.

to grow or develop in a healthy or vigorous way, especially as a result of a favorable environment.

growing or developing in a healthy or vigorous way, especially as the result of a particularly favorable environment.

covered with a fine, soft powder like flour

to refuse to obey or respect a rule, law, or person in authority, often in an open or scornful way.

(present participle or gerund). Openly disregarding or showing contempt for a rule, law, or convention.

(of a liquid, gas, or electricity) to move steadily and continuously in a current or stream

The act, process, or result of something flowing through or passing completely from one point to another.

A diagram that uses shapes and arrows to show the steps in a process or the sequence of operations in a system.

The part of a plant from which fruit or seed develops, often having brightly colored petals.

Containing or full of flowers.

Resembling or having the characteristics of a flower.

Having a pattern or design featuring flowers.

a garden bed in which flowers are grown.

Decorated with a pattern of flowers

(of a plant) producing flowers; in bloom

A container, typically made of plastic or earthenware, in which a plant is grown.

Covered with, decorated with, or resembling flowers.

Moving smoothly, continuously, and easily in a current or stream.

a device for measuring the rate of flow of a liquid or gas through a pipe or other channel.

(of fabric or clothing) hanging or draping in soft, loose folds that move easily.

A common infectious illness that causes fever, headache, and weakness

Resembling or characteristic of influenza.

to do something badly or make a mistake, especially in a performance or when carrying out a task

A synthetic antifungal drug used to treat a variety of fungal and yeast infections.

to change frequently in size, amount, quality, etc., especially from one extreme to another.

rising and falling irregularly; varying or changing frequently and unpredictably.

A change, especially an irregular or unpredictable rise and fall in number, amount, or level.

a pipe or tube that carries smoke, gas, or hot air from a fire, heater, or furnace to the outside.

(of tobacco) dried using heat from pipes or flues in a closed structure, which produces a light-colored, mild tobacco.

The capacity or power to influence people or events; a mysterious or magical influence.

the ability to speak or write a language easily, well, and quickly

able to speak or write a particular language easily, accurately, and articulately

in a smooth, flowing, and effortless manner, especially in speech or writing.

soft, light, and loose fibers or particles, such as those from wool, cotton, or feathers.

consisting of or covered with a soft mass of fibres or hair

A substance that flows easily and has no fixed shape, such as a liquid or gas.

Containing or full of a fluid, especially a liquid.

The quality or state of being able to flow easily, like a liquid.

(of a solid substance) made to flow like a liquid by the introduction of a gas or air.

In a way that is smooth, graceful, and continuous, without any sudden changes or interruptions.

A surprising and unexpected piece of good luck or success.

happening by chance, especially a surprising or lucky chance

a narrow channel for water, often made of metal or wood and used to carry water for industrial use or as a water ride.

to confuse (someone) greatly; to perplex.

completely confused or bewildered

to fail an exam, course, or task

a person who performs minor or menial tasks for someone else; a servant or follower.

to produce or exhibit fluorescence; to shine with light that is absorbed from another source and emitted at a different wavelength.

a yellowish-red crystalline compound that exhibits a brilliant greenish-yellow fluorescence in alkaline solution, used as a tracer and diagnostic agent.

The property of absorbing light of short (invisible) wavelength and emitting light of longer (visible) wavelength, causing a substance to glow.

giving off bright light when exposed to radiation such as ultraviolet light

Illuminated by fluorescent lighting.

Having had fluoride added, especially to drinking water or toothpaste, to prevent tooth decay.

The process of adding fluoride to something, especially to a public water supply to reduce tooth decay.

A compound containing fluorine, especially one which is added to water or toothpaste to prevent tooth decay.

a chemical element (symbol F), a pale yellow gas that is very reactive and poisonous.

A mineral consisting of calcium fluoride, typically occurring as colorful cubic crystals.

Any of a class of compounds of fluorine and carbon, known for their chemical stability and used in refrigerants, aerosols, and non-stick coatings.

a technique for obtaining real-time moving images of the internal structures of an object or body using X-rays.

a medical condition caused by excessive intake of fluorine compounds, characterized by mottling and discoloration of the teeth.

a synthetic compound used as an antidepressant drug, which acts by prolonging the effect of serotonin in the brain.

a sudden, brief period of activity, excitement, or confusion

to become red in the face, especially because you are embarrassed, angry, or hot

Describing a fixture or object installed so its front surface is level with the surrounding wall, ceiling, or panel, creating a smooth, uninterrupted appearance.

having a red or pink color in the face, typically from heat, emotion, or physical exertion.

The act of cleaning or rinsing something with a rapid flow of water or other liquid.

to make someone nervous and confused, especially by hurrying them

agitated, nervous, or confused, typically as a result of being rushed or overwhelmed.

a musical instrument of the woodwind family, a straight tube that you play by blowing across a hole near one end while holding it sideways.

Resembling a flute in sound, appearance, or shape

having long, rounded grooves cut into a surface

a pattern or decoration consisting of long, rounded parallel grooves, as on a column.

a person who plays the flute, especially as a profession.

To make a series of quick, delicate movements up and down or from side to side.

Moving with a light, quick, and irregular motion.

Characterized by quick, light, and irregular movements.

Relating to or found in a river.

A state of continuous movement, change, or instability.

(of a bird, insect, or aircraft) to move through the air using wings or engine power.

unreliable and likely to disappear or fail, especially in business or financial matters.

(of an aircraft or spacecraft) controlled by electronic signals sent from a computer to the controls, rather than by direct mechanical linkage.

(of hair or clothing) fine, loose, and tending to float or fly about.

A high, batted baseball that travels a considerable distance in the air.

a male pilot, especially one in the air force.

An open deck or platform on the roof of a boat's cabin, from which the vessel can be steered and which often contains duplicate controls.

a flight of a spacecraft close to a planet or moon for observation, especially without landing or going into orbit.

a small perching bird that catches flying insects.

a small sheet of paper or leaflet giving information or advertising something.

moving or able to move through the air with wings or in an aircraft.

a blank page at the beginning or end of a book, especially one fixed to the inside of the cover.

a bridge that carries one road or railway over another.

A sticky paper that is hung indoors to catch flies.

a device, typically a flat piece of plastic or wire mesh attached to a handle, used for killing flies by hitting them.

a plant that traps and digests insects, especially one of the Venus flytrap family.

A route regularly used by large numbers of migrating birds.

A weight class in certain sports, especially boxing, for competitors who are the lightest.

a heavy wheel in a machine that helps to keep it running smoothly by storing kinetic energy and maintaining a constant speed.

a young horse, donkey, or related animal, especially one less than one year old.

a mass of very small bubbles that form on the surface of a liquid.

a soft, spongy, elastic material made by foaming rubber, used especially for padding and insulation.

consisting of, producing, or covered with a mass of small bubbles.

consisting of or resembling a mass of small bubbles; frothy.

a small ornament or key ring attached to a watch chain or key ring.

a type of flat italian bread, seasoned with olive oil and herbs, and sometimes topped with other ingredients.

Relating to the center or main point of interest or activity.

The act of focusing or concentrating something on a central point.

To bring or come into focus; to concentrate on or make central.

In literary theory, the character, narrator, or speaker whose point of view orients the narrative perspective.

the main or central point of something, especially of attention or interest

A small group of people brought together to discuss and give their opinions about a product, political campaign, etc., so that those organizing it can learn what is popular or effective.

Giving a lot of attention, time, effort, etc. to one particular thing

A device or lens component used to adjust the focus of an optical instrument, such as a telescope or microscope.

Directing one's attention or interest towards a particular point or activity.

Giving or receiving a lot of attention, interest, or activity

Food, especially dried hay or feed, for cattle and other livestock.

An enemy or opponent.