/ Dictionary / Index U Ushuaia: Meaning and Definition of Find definitions for: Us•hua•ia Pronunciation: (-swī'u), [key] — n. a city in S Argentina, on the S coast of Tierra del Fuego: the southernmost city in the world. 10,998. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ushki USIA Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language