WordReference Random House Learner's Dictionary of American English © 2026ˈdown ˈun•der, adv.
- in or to Australia or New Zealand.
WordReference Random House Unabridged Dictionary of American English © 2026down′ un′der,
- Australia or New Zealand.
- in, to, or into Australia or New Zealand.
Collins Concise English Dictionary © HarperCollins Publishers::
down under informal n - Australia or New Zealand
adv - in or to Australia or New Zealand
'down under' also found in these entries (note: many are not synonyms or translations):