/ Dictionary / Index D damp squib: Meaning and Definition of Find definitions for: damp' squib' Pronunciation: [key] — Brit. Informal. Brit. Informal. something meant but failing to impress or succeed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dampproof Damrosch Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language