/ Dictionary / Index D delayed-action: Meaning and Definition of Find definitions for: de•layed-ac•tion Pronunciation: (di-lād'ak'shun), [key] — adj. (of an explosive projectile) exploding some time after hitting the target. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: delayed-action (Thesaurus) delayed delayed speech Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language