English words starting with O

blocked or made difficult to pass through

the action of blocking or obstructing something, or the state of being blocked or obstructed.

The practice of deliberately delaying or preventing a process, especially in a political or legal context.

a person who deliberately delays or prevents progress, especially in a legislative or administrative process.

tending to obstruct or hinder progress or an activity.

to get something, especially by asking for it, working for it, or making an effort

able to be obtained or acquired.

the act of obtaining something; acquisition.

to become involved with something or to interrupt someone in a way that is unwelcome or annoying

noticeable in an unpleasant or unwanted way

annoyingly slow to understand; lacking sharpness or quickness of intellect

the quality of being slow to understand something; stupidity.

The side of a coin, medal, or banknote that bears the principal design and often the date.

To remove a problem or need, making something unnecessary.

Easy to see or understand; clear and apparent.

in a way that is easily perceived or understood; clearly.

The quality or state of being obvious; something that is easy to see or understand.

A particular time or instance of an event happening.

Happening or done sometimes, but not regularly or often.

sometimes but not often; at infrequent or irregular intervals.

Relating to the countries of the West, especially Europe and America.

Relating to or situated in the back of the head

To close, block, or stop up a passage, opening, or vessel.

(of a tooth) positioned so that it is in contact with a tooth in the opposite jaw when the jaws are closed.

The process of something becoming blocked or closed.

Relating to or causing closure or blockage.

Relating to magical, mystical, or supernatural powers, practices, or phenomena.

the action of hiding or concealing something, especially a celestial body by another passing in front of it.

The study of or belief in supernatural or magical powers, practices, or phenomena.

A person who believes in or practices magic, alchemy, astrology, or other esoteric arts.

The act of using a room, building, or piece of land, or the condition of being used.

a person who is in a vehicle, room, seat, or place at a particular time.

a job or profession

relating to or connected with a person's job or profession

(of a building, seat, etc.) being used by someone

A person, group, or country that lives in or uses a building, piece of land, or country, especially by military force or without the owner's permission.

to fill or use a space, period of time, or area

(present participle) Being in or taking control of a place, especially by military force.

(of an event or situation) to happen

something that happens or takes place; an event or incident.

(of an event or situation) happening or taking place.

The vast body of salt water that covers most of the earth's surface

The part of the land that is next to the ocean; the area along the shore of an ocean.

Designed or suitable for traveling across the open sea.

Having a view of the ocean or sea.

a large seawater aquarium for keeping and displaying marine animals and plants.

Land or property that is next to the ocean.

relating to or found in the ocean

a scientist who studies the physical and biological aspects of the ocean.

relating to the scientific study of the ocean, including its physical and biological properties.

the scientific study of the ocean, including its physical and biological features, and the processes that occur within it.

A medium-sized wild cat with a yellowish coat marked with black stripes and spots, found in Central and South America.

A type of earth that ranges in color from yellow to brownish-red, used as a pigment.

a type of earth ranging in color from pale yellow to reddish-brown, used as a pigment.

a spiny, woody shrub of the southwestern us and mexico, which has long, slender, whip-like stems and produces clusters of bright red tubular flowers after rain.

A flat shape with eight straight sides and eight angles.

Having the shape of an octagon; having eight sides and eight angles.

A liquid hydrocarbon present in petroleum, used as a standard for measuring the anti-knock properties of fuel.

A series of eight musical notes occupying the interval between (and including) two notes, one having twice or half the frequency of the other.

A size of a book or page that results from folding a full sheet of paper into eight leaves (sixteen pages).

A group of eight people or things, especially eight musicians

The tenth month of the year, following September

A person who is between 80 and 89 years old.

a sea creature with a soft oval body and eight long tentacles

Relating to the eyes or vision.

An eye or a structure resembling an eye, such as a circular opening at the top of a dome.

A female slave or concubine in a harem, especially in the former Ottoman Empire.

Different from what is usual or expected; strange.

Having a strange or unusual appearance.

Having a number that is odd, not even.

Having a strange, unusual, or irregular shape.

a person who behaves in a strange or unusual way

More strange or unusual.

a strange or unusual person or thing

in a strange or unusual way

A piece or part remaining from a larger whole, especially a remnant of fabric.

small pieces or parts of something that are left over after the main part has been used or removed.

The quality of being strange or unusual.

the probability that a particular thing will or will not happen

being the competitor, choice, or outcome that is most likely to win or happen

A person who sets the betting odds for sporting events or other contests.

A lyric poem, typically one addressed to a particular subject, written in an elevated style and expressing deep feeling.

Having or giving off a smell, especially an unpleasant one.

extremely unpleasant and causing or deserving hate

Widespread hatred or disgust directed toward someone as a result of their actions.

An instrument in a vehicle that measures and shows the distance it has traveled.

Originating in or arising from the teeth or tissues that form teeth.

a smell, especially one that is unpleasant

having no smell or being without an odor

A substance that gives off a smell, especially one added to a product to give it a specific odor.

having or giving off a smell, especially a strong or pleasant one.

having no smell

having a smell, especially an unpleasant one

a smell, especially one that is unpleasant

pain on swallowing, especially as a symptom of disease or disorder.

A long, eventful, and often adventurous journey or experience.

A condition characterized by an excess of watery fluid collecting in the cavities or tissues of the body.

Relating to or characterized by the Oedipus complex, involving feelings of sexual desire towards one's parent of the opposite sex and rivalry towards the parent of the same sex.

A connoisseur of wines; a person who loves or is knowledgeable about wine.

any of a group of steroid hormones which promote the development and maintenance of female characteristics of the body.

the complete works of a writer, painter, or other artist, regarded as a body of work.

used to show possession, belonging, or origin

Currently very popular, fashionable, or important.

away from a place or position

Not aligned with or centered on a main axis; deviating from a standard or principal line of direction.

Not steady or stable; in danger of falling.

relating to or denoting assets, debts, or other financial activities that are not recorded on a company's balance sheet.

(of a product) made by a company other than the one that is famous for that type of product, and usually cheaper.

relating to or characteristic of small, experimental, or non-commercial theatres in New York City, typically located outside the main Broadway theatre district.

Relating to or denoting financial transactions or accounts that are not included in the official or main budget.

Not being filmed or recorded by a camera; outside the view of a camera.

Located or happening away from the main site of a university or college.

Not exactly in the centre of something; slightly to one side.

Slightly indecent or vulgar, especially in a sexual way.

Not following the intended or correct path or direction.

Relating to or occurring in the time when a player is not engaged in a match or formal play.

a day when someone performs less well than usual, especially in a sport or at work

Not engaged in or required for one's regular work

Relating to or involving activities, employment, or income sources that are not directly connected to farming or agricultural work on a farm.

Relating to or occurring in a sphere of life other than one's primary professional or competitive activity, especially in sports.