/ Dictionary / Index U updraft: Meaning and Definition of Find definitions for: up•draft Pronunciation: (up'draft", -dräft"), [key] — n. the movement upward of air or other gas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: updraft (Thesaurus) updo updrift Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language