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.
mate
Universal Australian and British word for a friend.
Etymology timeline
Born ~1841 · 1 year of recorded useSeen in the wild
Why does “mate” sound friendly and threatening at the same time? 😂
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?
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.
Definitions
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."
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.
"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.
“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.”
Show all 6 examplesShow fewer
“A very similar preparation, known as mate cocido, removes some of the plant material and sometimes comes in tea bags.”
Comments
Show 20 more dictionary-style senses (imported)
In naval ranks, a non-commissioned officer or his subordinate (e.g. , , Sailmaker's Mate, etc).
Comments
A suitable companion; a match; an equal.
Comments
Friendly term of address to a stranger, usually male, of similar age.
Comments
A ship's officer, subordinate to the master on a commercial ship.
Comments
The abovementioned plant; the leaves and shoots used for the tea
Comments
A friend, usually of the same sex.
Comments
To match oneself against; to oppose as equal; to compete with.
Comments
To confuse; to confound.
Comments
A technical assistant in certain trades (e.g. gasfitter's mate, plumber's mate); sometimes an apprentice.
Comments
To pair in order to raise offspring.
Comments
To match, fit together without space between.
Comments
To come together as companions, comrades, partners, etc.
Comments
A fellow, comrade, colleague, partner or someone with whom something is shared, e.g. shipmate, classmate.
Comments
To arrange in matched pairs.
Comments
To move (a space shuttle orbiter) onto the back of an aircraft that can carry it.
Comments
To marry; to match (a person).
Comments
To fit (objects) together without space between.
Comments
, an aromatic tea-like drink prepared from the holly yerba maté ().
Comments
To introduce (animals) together for the purpose of breeding.
Comments
The other member of a matched pair of objects.
Comments
For specific readers
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
Have a better definition?
Add your own interpretation of "mate".
Related vocabulary
Compare with…
Head-to-head pages explaining the difference.
🇦🇺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.
Tags
Other words near "mate" (M)
Browse all slang words starting with M.