mate
1 Americannoun
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a partner in marriage; spouse.
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one member of a pair of mated animals.
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one of a pair.
I can't find the mate to this glove.
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a counterpart.
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an associate; fellow worker; comrade; partner (often used in combination).
classmate; roommate.
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friend; buddy; pal (often used as an informal term of address).
Let me give you a hand with that, mate.
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Nautical.
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any of a number of officers of varying degrees of rank subordinate to the master of a merchant ship.
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an assistant to a warrant officer or other functionary on a ship.
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an aide or helper, as to an artisan; factotum.
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a gear, rack, or worm engaging with another gear or worm.
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Archaic. an equal in reputation; peer; match.
verb (used with object)
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to join as a mate or as mates.
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to bring (animals) together for breeding purposes.
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to match or marry.
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to join, fit, or associate suitably.
to mate thought with daring action.
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to connect or link.
a telephone system mated to a computerized information service.
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to treat as comparable.
verb (used without object)
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to associate as a mate or as mates.
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(of animals) to copulate.
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(of animals) to pair for the purpose of breeding.
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to marry.
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(of a gear, rack, or worm) to engage with another gear or worm; mesh.
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Archaic. to consort; keep company.
noun
noun
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a tealike South American beverage made from the dried leaves of an evergreen tree.
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a South American tree, Ilex paraguariensis, that is the source of this beverage.
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the dried leaves of this tree.
noun
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the sexual partner of an animal
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a marriage partner
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informal a friend, usually of the same sex: often used between males in direct address
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(in combination) an associate, colleague, fellow sharer, etc
a classmate
a flatmate
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one of a pair of matching items
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nautical
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short for first mate
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any officer below the master on a commercial ship
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a warrant officer's assistant on a ship
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(in some trades) an assistant
a plumber's mate
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archaic a suitable associate
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slang the reduced rate charged for work done for a friend
verb
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to pair (a male and female animal) or (of animals) to pair for reproduction
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to marry or join in marriage
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(tr) to join as a pair; match
noun
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an evergreen tree, Ilex paraguariensis, cultivated in South America for its leaves, which contain caffeine: family Aquifoliaceae
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a stimulating milky beverage made from the dried leaves of this tree
noun
Other Word Forms
Etymology
Origin of mate1
First recorded in 1350–1400; Middle English mate, maite “friend, companion, shipmate, mate (ship's officer), fellow creature,” from Middle Low German mate, gemate “messmate”, replacing Middle English mette, mete “table companion, messmate, partner,” Old English gemetta “messmate, guest”; see origin at meat
Origin of mate2
First recorded in 1175–1225; Middle English verb maten, matein, matten “to checkmate, defeat,” from Old French mater, ultimately from Persian; see origin at checkmate
Origin of mate3
First recorded in 1710–20; from American Spanish, from Quechua mati, the calabash gourd in which the herb is steeped
Explanation
Someone's mate is their spouse, partner, boyfriend, or girlfriend. Your grandmother's long-term sweetheart is her mate. Awwww. A husband or wife is one kind of mate, and animals have mates too, chosen for reproduction and sometimes to assist in raising babies. Anything that comes in a pair — like socks, contacts, shoes, or earrings — also has a mate. Your pal or buddy can be called a mate as well. As a verb, to mate means "to breed" or "to reproduce." In Middle Low German, mate means "one eating at the same table."
Vocabulary lists containing mate
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
After a score from Julia Robinson - who suffered a broken wrist shortly afterwards when being pinned by a team mate - Kelleher sliced in a swerving goal-kick of which Roberto Carlos would be proud.
From BBC ● Oct. 24, 2026
Jackie’s longtime mate, Shadow, remains in Big Bear, and appears to be healthy, Fish and Wildlife said.
From Los Angeles Times ● Oct. 15, 2026
The former president "needs to be free to embrace the people," Alfredo Gaspar, Flavio Bolsonaro's running mate, told AFP.
From Barron's ● Oct. 9, 2026
One of them, the first mate on a shuttle tanker, said he had been in and out of Hormuz twice in the past month.
From The Wall Street Journal ● Oct. 5, 2026
‘It’s when you stay with another clan for a while; to make friends, and maybe find a mate.’
From "Wolf Brother" by Michelle Paver
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In December, members voted to invest $18,530 from the DAO’s treasury to develop the yerba maté drink, its first physical product.
From New York Times ● Mar. 2, 2022
Santaolalla is not unaware that his compatriot isn’t everyone’s cup of maté.
From Los Angeles Times ● Sep. 1, 2021
You’ll canter with the cowboys across vast grasslands, and trade stories over maté.
From Time ● Sep. 25, 2017
There are meals of carne asada and manioc soup; parleys over endless rounds of yerba maté; social scandals that erupt at horse races; deadly tropical fevers; and red dust, relentless sun, and clouds of mosquitoes.
From The New Yorker ● Jan. 15, 2017
The menu, I remember, included horse, puma, guanaco, skunk, armadillo, eggs, fish of every sort, and yerba maté.
From Wild Life in the Land of the Giants A Tale of Two Brothers by Gordon Stables
Millions of sterile male Mexican fruit flies will be released over parts of San Diego County, after one mated female fruit fly was detected around Spring Valley, according to food and agriculture regulators.
From Los Angeles Times ● Jun. 30, 2026
Behind the crosshatched front grille lives a well-tempered, turbocharged 3.5-liter V6, mated to an eight-speed automatic transmission and permanent all-wheel drive, including a digitally controlled limited-slip differential.
From The Wall Street Journal ● Jun. 6, 2026
However, “beyond that there are vague fears that the AI providers would either be directly competitive or be mated with other solutions to imitate Palantir.”
From Barron's ● Apr. 24, 2026
At the top of the list is the California deermouse, which pairs for life once mated and achieves a full sibling rate of 100%.
From Science Daily ● Jan. 22, 2026
“Gurrrrr grrrr,” it goes, with a description just next to it: Contentment; if a kitten and an apple pie mated, this is what it would sound and smell like.
From "Better Nate Than Ever" by Tim Federle
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Understanding whether fluorescence influences communication, mating, or predator avoidance could also contribute to conservation efforts.
From Science Daily ● Oct. 28, 2026
Wildlife charity Butterfly Conservation is hoping 2026 could be a “bumper summer of butterflies” because warm, dry days mean uninterrupted foraging, mating and egg-laying.
From Science Daily ● Sep. 11, 2026
Adult cuttlefish typically die after breeding so each mating season is crucial for the species' future, but in recent months, just 440 eggs have been counted, instead of the millions that are usually laid.
From BBC ● Aug. 29, 2026
In nature, it’s believed that some beetles are shiny for camouflage, protection and mating purposes.
From Los Angeles Times ● Aug. 12, 2026
I began to pay attention to the mating dance of adoption.
From "Three Little Words: A Memoir" by Ashley Rhodes-Courter
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