English Reference
noun · verb

mate

n. · v.
US /ˈmeɪt/ mate UK spelling mate's, mate's, mated

  1. 01 A2 Elementary British EnglishInformalDialect

    n.a friend or someone you spend time with.

    n.a friend or close companion; frequently used as a familiar term of address.

    Simple

    I'm going to the cinema with a few mates from work tonight.

    In context

    He has been my best mate since primary school, and we still meet up every weekend to watch the football.

    Usage

    Commonly used in British, Australian, and New Zealand English; less common in American English.

  2. 02 B2 Upper Intermediate Technical nautical

    n.an officer on a commercial ship who is below the captain.

    n.a deck officer on a merchant ship, subordinate to the master or captain.

    Simple

    The first mate was responsible for the ship's cargo and the crew's schedule.

    In context

    After years of service as a second mate, he finally earned his certification to serve as a chief mate on international vessels.

  3. 03 B2 Upper Intermediate Science

    n.one of a pair of animals that produce babies together.

    n.either member of a pair of animals that associate for the purpose of sexual reproduction.

    Simple

    The male bird performs a complex dance to attract a mate.

    In context

    In many avian species, individuals will travel thousands of miles to return to the same mate each nesting season.

  4. 04 B2 Upper Intermediate

    n.the other half of a pair of things.

    n.the corresponding member of a matched pair of objects.

    Simple

    I found one blue sock, but I can't find its mate anywhere.

    In context

    The collector spent years searching for the mate to the eighteenth-century porcelain vase he had inherited.

  5. 05 B2 Upper Intermediate Science

    v.when animals come together to have babies.

    v.to pair for the purpose of reproduction; to copulate.

    Simple

    Pandas in captivity sometimes find it difficult to mate naturally.

    In context

    Biologists observed the wolves mating in the early spring, suggesting that the pack's population would increase by summer.

    breedcopulate
  6. 06 C1 Advanced Technical Technical

    v.to join two parts together so they fit perfectly.

    v.to bring two parts or components into close physical contact or connection.

    Simple

    Make sure the two electrical connectors mate properly before turning on the power.

    In context

    The technician carefully aligned the satellite components to ensure they would mate securely during the final assembly phase.

  7. 07 B2 Upper Intermediate Cooking

    n.a traditional South American caffeine drink made from dried leaves.

    n.an infusion made from the leaves of the yerba mate plant, traditional in South American cultures.

    Simple

    They sat in the park sharing a hot cup of mate through a metal straw.

    In context

    The consumption of mate is a significant social ritual in Argentina, Uruguay, and southern Brazil.

    Teacher's tip

    Often spelled with an accent (maté) to distinguish it from the English word for friend, though the accent is not strictly correct in Spanish.

Twycross is home to the UK's only heard of Kordofan giraffes and staff hope a 10-month-old female will become the mother of the next generation, if a suitable mate can be imported.

BBC News· 13 Aug 2026

Thirteen years between them, Arteta and Bellerín were teammates then; real mates, too.

The Guardian· 5 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Common
Updated