/ Dictionary / Index A alack: Meaning and Definition of Find definitions for: a•lack Pronunciation: (u-lak'), [key] — interj. Archaic. (used as an exclamation of sorrow, regret, or dismay.) Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. à la carte alacrity Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language