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English Dictionary — Definitions & Meanings

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“O” Words

overcooked
adj
Cooked for too long, making the food dry, tough, or unpleasant.
overcrowded
adj
Containing far more people or things than there is comfortable room for.
overcrowding
noun
A situation in which a space holds far more people or things than it comfortably can.
overdo
verb
To do something to an excessive or unwise degree.
overdoing
noun
Excessive or unwise activity; doing too much.
overdone
adj
Cooked for too long.
overdose
noun
A dangerously excessive dose of a drug or medicine.
overdraft
noun
The act of withdrawing more money from a bank account than it holds.
overdressed
adj
Wearing clothing that is too formal, elaborate, or heavy for the occasion.
overdrive
noun
A high gear in a vehicle that reduces engine speed at higher road speeds, improving fuel economy.
overdue
adj
Later than expected or scheduled; past the point at which something should have happened.
overestimate
verb
To judge or guess that something is larger, better, or more significant than it really is.
overexcited
adj
Excessively excited, often to the point of losing composure.
overextended
adj
Stretched or expanded beyond a safe or sustainable limit.
overflow
noun
Liquid or material that spills over because there is too much of it.
overflowing
noun
The act of spilling past a limit; an overflow.
overgrown
adj
Covered with plants that have grown wild and unchecked.
overhaul
noun
A thorough repair, renovation, or revision of something.
overhead
adj
Positioned above, especially above one's head.
overhear
verb
To hear something by chance that was not meant for one's ears.
overhearing
noun
The act of catching a conversation you were not meant to be part of.
overheat
verb
To heat something, or for something, well past a safe or normal level.
overheated
adj
Heated to an unsafe or uncomfortable degree.
overheating
noun
The state of having become dangerously or excessively hot.
overjoyed
adj
Extremely happy or delighted.
overkill
noun
Far more force, effort, or resources than a situation actually calls for.
overland
adj
Travelling by, or crossing, land rather than sea or air.
overlap
verb
To extend over part of something else, partly covering it.
overlapping
adj
Partly covering, coinciding with, or sharing something else.
overlay
verb
To lay or spread one thing over another.
overload
verb
To load something with more than it can safely or properly handle.
overloaded
adj
Carrying or holding more than it should.
overloading
noun
In programming, giving several functions or operators the same name, distinguished by the type of data they take.
overlook
verb
To fail to notice something, or to miss it despite it being there.
overlooked
adj
Not noticed or given the attention it deserves.
overlord
noun
A ruler who holds power over other rulers or lower authorities.
overly
adv
To an excessive or unnecessary degree.
overnight
adv
Throughout the night, or during the course of one night.
overpass
noun
A bridge that carries one road or path over another.
overpopulation
noun
A situation where an area has more people, animals, or organisms than it can properly support.
overpower
verb
To defeat or subdue someone using greater strength or force.
overpowered
adj
Defeated by superior strength or force.
overpowering
adj
So strong or intense that it becomes hard to resist or ignore.
overpriced
adj
Priced higher than the item is actually worth.
overprotective
adj
Excessively concerned with protecting someone, to an unhelpful or restrictive degree.
overqualified
adj
Having far more skills or qualifications than a job requires.
overrated
adj
Praised or valued more highly than it actually deserves.
overreact
verb
To respond to something with far more emotion or force than the situation calls for.
overreaction
noun
A response that goes well beyond what the situation warrants.
override
verb
To take priority over, or cancel out, an existing decision, rule, or system.
overriding
adj
More important than anything else in the situation; taking priority.
overrule
verb
To reject or reverse a decision using higher authority.
overrun
verb
To spread over or invade a place in large numbers, often taking full control of it.
overseas
adj
Located in or coming from another country, typically across the sea.
oversee
verb
To supervise or take responsibility for a person, project, or process.
overseer
noun
A person who supervises the work of others.
overshadowed
adj
Made to seem less important because something else nearby drew more attention.
overshot
adj
Powered by water that flows in over the top, as with certain water wheels.
oversight
noun
A mistake made by failing to notice or consider something.
oversized
adj
Larger than the normal or expected size for something of its kind.
oversleep
verb
To sleep for longer than you meant to, missing the time you were supposed to wake up.
overstep
verb
To go further than is allowed or appropriate; to cross a line.
overt
adj
Done openly, not hidden or disguised.
overtake
verb
To pass a slower vehicle, runner, or competitor ahead of you.
overtaken
adj
Caught by surprise, or beaten and passed by something else.
overtaking
noun
The act of passing a slower vehicle or competitor.
overthink
verb
To think about something for too long or too hard, often making a simple decision harder than it needs to be.
overthinking
noun
Spending too much time and worry analyzing something.
overthrow
verb
To remove a government or leader from power by force.
overtime
noun
Extra time worked beyond someone's normal hours, or the higher pay for that work.
overtly
adv
In a way that is open and obvious, not hidden.
Overton
name
An English surname and place name, meaning "upper settlement" or "town on the river bank".
overture
noun
A first approach or proposal made to start talks or a relationship.
overturn
verb
To flip something over, or to cause a vehicle to roll onto its side or roof.
overview
noun
A short summary that covers the main points of something without going into detail.
overwatch
verb
To keep watch over something from a position of protection or support.
overweight
adj
Weighing more than is considered healthy for one's height and build.
overwhelm
verb
To completely overpower someone or something, whether physically or emotionally.
overwhelmed
adj
Completely overcome by emotion, work, or difficulty, to the point of struggling to cope.
overwhelming
adj
So strong, large, or intense that it is hard to resist or cope with.
overwhelmingly
adv
To a very great extent; by far the largest amount or degree.
overwork
verb
To make someone work too hard, or to work too hard yourself.
overworked
adj
Made to work too hard, often to the point of exhaustion.
overwrought
adj
Extremely nervous, upset, or agitated.
overzealous
adj
Too eager or enthusiastic, often to an unhelpful or excessive degree.
ovulation
noun
The release of an egg from an ovary as part of the reproductive cycle.
ow
intj
An exclamation of sudden pain.
owe
verb
To be required to pay money back to someone.
owed
adj
Due to be paid or given back.
Owen
name
A masculine given name of Welsh origin, meaning "young warrior" or "well-born".
Owens
name
A Welsh surname, meaning "son of Owen".
owie
noun
A small, minor injury, especially in a child's speech.
owing
adj
Still needing to be paid.
owl
noun
A mostly nocturnal bird of prey with large forward-facing eyes and a sharp, hooked beak.
own
adj
Belonging to a particular person; used to stress possession.
owned
adj
Belonging to a specific person, group, or category of owner.
owner
noun
A person or group who legally possesses something.
ownership
noun
The legal right of possessing something.
owt
pron
Anything (a Northern English dialect word).
ox
noun
A castrated adult male of domestic cattle, traditionally used to pull carts or ploughs.
oxen
noun
The plural of ox — large cattle traditionally used for pulling ploughs, carts, or heavy loads.
oxide
noun
A chemical compound formed when oxygen combines with another element.
Oxnard
name
A city in Southern California, part of the Los Angeles metropolitan area.
oxy
noun
In chemistry, a functional group made of an oxygen atom bonded between two carbon groups (as found in ethers).
oxycodone
noun
A strong, addictive prescription painkiller derived partly from opium, similar in effect to morphine.
OxyContin
noun
A brand-name, slow-release painkiller containing oxycodone, notorious for fuelling opioid addiction in the US.
oxygen
noun
A colourless, odourless gas that makes up about a fifth of the air and is essential for humans and animals to breathe.
oxymoron
noun
A figure of speech that pairs two contradictory words for effect, such as "deafening silence."
oxytocin
noun
A hormone that triggers labour contractions and milk production, and is also linked to trust and emotional bonding.
oy
intj
An exclamation of mild frustration, worry, or exasperation.
oyabun
noun
The top boss of a yakuza crime family.
Oyama
name
A Japanese surname, meaning "great mountain".
oyster
noun
A soft-bodied shellfish that lives inside a hard, rough shell, often eaten raw and sometimes producing pearls.
Oz
noun
Abbreviation for ounce, a small unit of weight.
Ozaki
name
A Japanese surname, literally meaning "small cape" or "small peninsula".
Ozawa
name
A Japanese surname, meaning "small marsh".
ozone
noun
A form of oxygen with three atoms per molecule instead of the usual two, found in a protective layer high in the atmosphere.
Ozzie
noun
Informal term for an Australian person.
Ozzy
name
A nickname for someone named Oswald or Oscar, or a nickname referring to the surname Osbourne.