/ Dictionary / Index G group annuity: Meaning and Definition of Find definitions for: group' annu"ity Pronunciation: [key] — Insurance. Insurance. a plan in which the members of a group, usually employees of the same company, receive annuities upon retirement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. group group dynamics Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language