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mate

Universal Australian and British word for a friend.

meɪtDocumented since 1840sSilenthistoricalCurrent2.1K viewsLast reviewed Jun 29, 2026+ Add a definition
🇦🇺 Australian & NZ slang
21 definitions
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Etymology timeline

Born ~1841 · 1 year of recorded use
1841Born2026: 2 citationsToday, 2026

Seen in the wild

Definitions

Australia
+834100%
#1·Apr 23, 2026AUSNeutral

Universal Australian and British word for a friend. Can also be a warning — "oi, mate" means someone's in trouble. The tone carries everything. Works as greeting, address, filler, passive-aggressive rebuke, and emotional-support punctuation in the same conversation.

"Cheers, mate — fair dinkum."
Origin: Regional vernacular; long-established in its native community.
For parents

mate means Universal Australian and British word for a friend. It's mostly used in Australian informal speech. It's casual and generally safe with friends and online. It's standard online vocabulary; nothing inherently concerning about hearing it.

For ESL learners

"mate" is slang. It means: Universal Australian and British word for a friend. Register: casual. Use it in: casual conversation and online posts. Avoid in: formal writing and professional emails.

Cluster: friend
Heard in the wild
  • “Why does “mate” sound friendly and threatening at the same time? 😂”

    — r/AskAnAustralian· May 2026
  • “Do you think Yowies exist, have you or a mate seen one? I am Scottish and just heard of them, especially in Aboriginal culture. So have you or anyone you know seen one?”

    — r/AskAnAustralian· Apr 2026
  • “The leaves of the plant can be steeped in hot water to make a beverage known as mate.”

  • “Yerba mate or yerba maté ( YUR-bə MAH-tay), Ilex paraguariensis, is a plant species of the holly genus native to South America.”

  • “Mate ( MAH-tay; Spanish: mate [ˈmate], Brazilian Portuguese: [ˈmatʃi]) is a traditional Argentine, Paraguayan, Uruguayan and Brazilian caffeine-rich infused herbal drink.”

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  • “A very similar preparation, known as mate cocido, removes some of the plant material and sometimes comes in tea bags.”

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Show 20 more dictionary-style senses (imported)
Global
#2·May 2, 2026GlobalFormal

In naval ranks, a non-commissioned officer or his subordinate (e.g. , , Sailmaker's Mate, etc).

Cluster: work
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Global
#3·May 2, 2026GlobalFormal

A suitable companion; a match; an equal.

Cluster: friend
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Global
#4·May 2, 2026GlobalNeutral

Friendly term of address to a stranger, usually male, of similar age.

Cluster: friend
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Global
#5·May 2, 2026GlobalFormal

A ship's officer, subordinate to the master on a commercial ship.

Cluster: work
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Global
#6·May 2, 2026GlobalFormal

The abovementioned plant; the leaves and shoots used for the tea

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Global
#7·May 2, 2026GlobalWork-OK

A friend, usually of the same sex.

Cluster: friend
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Global
#8·May 2, 2026GlobalFormal

To match oneself against; to oppose as equal; to compete with.

Cluster: conflict
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Global
#9·May 2, 2026GlobalFormal

To confuse; to confound.

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Global
#10·May 2, 2026GlobalFormal

A technical assistant in certain trades (e.g. gasfitter's mate, plumber's mate); sometimes an apprentice.

Cluster: work
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Global
#11·May 2, 2026GlobalFormal

To pair in order to raise offspring.

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Global
#12·May 2, 2026GlobalFormal

To match, fit together without space between.

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Global
#13·May 2, 2026GlobalFormal

To come together as companions, comrades, partners, etc.

Cluster: friend
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Global
#14·May 2, 2026GlobalFormal

A fellow, comrade, colleague, partner or someone with whom something is shared, e.g. shipmate, classmate.

Cluster: friend
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Global
#15·May 2, 2026GlobalFormal

To arrange in matched pairs.

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Global
#16·May 2, 2026GlobalFormal

To move (a space shuttle orbiter) onto the back of an aircraft that can carry it.

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Global
#17·May 2, 2026GlobalFormal

To marry; to match (a person).

Cluster: romance
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Global
#18·May 2, 2026GlobalFormal

To fit (objects) together without space between.

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Global
#19·May 2, 2026GlobalFormal

, an aromatic tea-like drink prepared from the holly yerba maté ().

Cluster: drink-non-alcohol
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Global
#20·May 2, 2026GlobalFormal

To introduce (animals) together for the purpose of breeding.

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Global
#21·May 2, 2026GlobalFormal

The other member of a matched pair of objects.

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For specific readers

mate means Universal Australian and British word for a friend. It's mostly used in Australian informal speech. It's casual and generally safe with friends and online. It's standard online vocabulary; nothing inherently concerning about hearing it.

Why is this section here?

Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.

Used in

AustraliaGlobal

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🇦🇺About Australian & NZ slang slang

Aussie and Kiwi vocabulary — bogan, daggy, brekkie, sheila, bach, jandals — the whole Antipodean lexicon, including outback dialect, surf and beach culture, and Sydney/Melbourne street slang.

See all Australian & NZ slang slang on Slangora.

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