Browse dictionary
10,896 entries
- opportunitynoun
A favorable time or set of circumstances for doing something.
- opposeverb
To actively resist or fight against something or someone.
- opposedadjective
(adjective) Being against something; in disagreement or conflict.
- opposingadjective
(adjective) In conflict or competition with another.
- oppositeadjective
(adjective) Completely different; as different as possible.
- oppositionnoun
Resistance or dissent to a plan, idea, or action.
- oppressionnoun
Prolonged cruel or unjust treatment or control, especially by those in authority.
- oprahproper noun
A female given name, most famously associated with Oprah Winfrey, an American media executive, talk show host, actress, and philanthropist.
- opsnoun
(informal) Short for "operations," especially in military, business, or technology contexts.
- optimismnoun
A tendency to expect the best possible outcome or to focus on the most positive aspects of a situation.
- optimisticadjective
Hopeful and confident about the future or the success of something.
- optionnoun
A thing that is or may be chosen; a choice.
- optionsnoun
Plural of option; choices or alternatives available in a particular situation.
- orconjunction
Used to link alternatives.
- oraclenoun
(in ancient Greece) A priest or priestess who communicated divine prophecies from the gods.
- oraladjective
(adjective) Relating to or involving the mouth.
- orangenoun
(noun) A round citrus fruit with thick reddish-yellow skin and sweet, juicy flesh.
- orangesnoun
Plural of *orange*: round citrus fruits with a tough bright reddish-yellow rind and juicy sweet flesh.
- orbnoun
A spherical body; a globe or ball.
- orbitnoun
(noun) The curved path of a celestial object or spacecraft around a star, planet, or moon.
- orchardnoun
A piece of land planted with fruit trees.
- orchestranoun
A large group of musicians who play together on various instruments, usually including strings, woodwinds, brass, and percussion.
- orchidnoun
A plant of a large family distinguished by complex flowers with a labellum (lip) and often a spur, typically having showy or unusual-colored blooms.
- ordealnoun
A painful or horrific experience, especially a protracted one.
- ordernoun
The arrangement or disposition of things in relation to each other.
- orderedadjective
(adjective) Neatly and methodically arranged; well-organized.
- orderingnoun
(noun) The arrangement or sequence of things.
- orderlyadjective
(adjective) Neatly and methodically arranged; tidy.
- ordersnoun/verb
Authoritative commands or instructions.
- ordinaryadjective
(adjective) With no special or distinctive features; normal; commonplace.
- orenoun
A naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
- organnoun
A part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver.
- organicadjective
Of, relating to, or derived from living matter.
- organisationnoun
British spelling of *organization*: an organized group of people with a particular purpose, such as a business or government department.
- organiseverb
British spelling of *organize*: to arrange or order things systematically.
- organisedadjective
(adjective) British spelling of *organized*: arranged or structured in a systematic way.
- organismnoun
An individual animal, plant, or single-celled life form.
- organismsnoun
Plural of *organism*: individual animals, plants, or single-celled life forms.
- organizationnoun
A group of people working together for a shared purpose.
- organizationsnoun
Plural of *organization*: groups of people with a particular purpose, such as businesses, charities, or government departments.
- organizeverb
To arrange or order things systematically; to put in working order.
- organizedadjective
(adjective) Arranged or structured in a systematic way; efficient and methodical.
- organizingverb
(verb) Present participle of *organize*: arranging things systematically or making preparations.
- organsnoun
Plural of *organ*: parts of an organism with specific vital functions.
- orgasmnoun
(noun) The climax of sexual excitement, characterized by intensely pleasurable feelings and muscular contractions.
- orgynoun
A wild party, especially one involving excessive drinking and unrestrained sexual activity.
- orientaladjective
(dated, often offensive when referring to people) Of, from, or characteristic of East Asia.
- orientationnoun
The determination of one's position relative to surroundings; the direction something faces.
- originnoun
The point or place where something begins, arises, or is derived.
- originaladjective
Present or existing from the beginning; first or earliest.