/ Dictionary / Index D down under: Meaning and Definition of Find definitions for: down' un'der Pronunciation: [key] Australia or New Zealand. in, to, or into Australia or New Zealand. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. downturn downward Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language