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10,896 entries
- omnoun
A sacred syllable in Hinduism, Buddhism, and other Indian religions, often chanted during meditation and prayer.
- omeganoun
The 24th and last letter of the Greek alphabet (Ω, ω).
- omeletnoun
(American spelling) A dish made from beaten eggs cooked in a pan and often folded around a filling such as cheese, vegetables, or meat.
- omennoun
An event or phenomenon believed to be a sign or warning of something to come, especially something significant.
- ominousadjective
Giving the impression that something bad or unpleasant is going to happen; threatening.
- onpreposition
Physically in contact with and supported by a surface.
- onboardadjective
(adjective) Located or happening on a ship, aircraft, or other vehicle.
- onceadverb
On one occasion or for one time only.
- onenumber
The lowest cardinal number; a single unit.
- onespronoun
Used to refer to people or things already mentioned or known.
- oneselfpronoun
(reflexive) Used as the object of a verb or preposition when "one" is the subject, referring to any person in general.
- ongoingadjective
Continuing; still in progress or development.
- onionnoun
A round vegetable with a strong smell and flavor, consisting of many layers surrounding each other, used in cooking.
- onionsnoun
Plural of onion; multiple round vegetables with layers, used in cooking.
- onlineadjective
(adjective) Connected to or available through the internet or a computer network.
- onlyadverb
And no one or nothing more; solely.
- onstageadverb
(adverb) On the stage, especially during a performance.
- ontopreposition
Moving to a position on the surface of something.
- onwardsadverb
Moving forward in a particular direction or continuing in time.
- oofinterjection
An exclamation expressing discomfort, pain, or the impact of something heavy or forceful.
- oohinterjection
An exclamation expressing admiration, pleasure, or excitement.
- oomenoun
(South African English) A term of respect for an older man, especially an uncle or elder; a variant spelling of "oom."
- ooointerjection
An exclamation expressing wonder, surprise, admiration, or excitement.
- ooohinterjection
An extended exclamation expressing wonder, surprise, admiration, or delight.
- oopsinterjection
An exclamation used to acknowledge a minor mistake, accident, or error.
- opnoun
(informal) Short for "operation," especially a military or surgical operation.
- openadjective
Allowing access, passage, or view; not closed or blocked.
- openedverb
Past tense and past participle of open; moved a door, lid, or barrier to allow access.
- openernoun
A device or tool used for opening something, especially bottles or cans.
- openingnoun
(noun) A gap, hole, or space through which something can pass.
- openlyadverb
Without concealment or secrecy; in a way that is visible or known to everyone.
- opensverb
Third person singular present tense of "open"; to move something so that it is no longer closed.
- operanoun
A dramatic work set to music, in which singers and musicians perform a theatrical story.
- operateverb
To function or work in a proper or effective way.
- operatedverb
Past tense and past participle of "operate"; functioned or worked.
- operatesverb
Third person singular present tense of "operate"; functions or works.
- operatingadjective
(adjective) Relating to the functioning or management of something.
- operationnoun
An act or process of operating; functioning.
- operationaladjective
Ready for use; functioning properly.
- operationsnoun
Plural of operation; the activities involved in running a business or organization.
- operativenoun
(noun) A worker, especially a skilled worker in a manufacturing industry.
- operativesnoun
Plural of operative; workers, especially skilled workers in manufacturing.
- operatornoun
A person who operates equipment, machinery, or a system.
- opinionnoun
A personal view, belief, or judgment about something, not necessarily based on facts.
- opinionsnoun
Plural of opinion; personal views, beliefs, or judgments.
- opiumnoun
A highly addictive narcotic drug derived from the juice of the opium poppy, used historically as a painkiller and sedative.
- oppanoun
A Korean term used by females to address or refer to an older brother or an older male friend/boyfriend.
- opponentnoun
A person who competes against or fights another in a contest, game, or argument.
- opponentsnoun
Plural of opponent; people who compete against others in contests or games.
- opportunitiesnoun
Plural of opportunity; favorable circumstances or situations that make it possible to do something.