/ Dictionary / Index E extinguish: Meaning and Definition of Find definitions for: ex•tin•guish Pronunciation: (ik-sting'gwish), [key] — v.t. to put out (a fire, light, etc.); put out the flame of (something burning or lighted): to extinguish a candle. to put an end to or bring to an end; wipe out of existence; annihilate: to extinguish hope. to obscure or eclipse, as by superior brilliance. to discharge (a debt), as by payment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: extinguish (Thesaurus) extine extinguishant Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language