/ Dictionary / Index G guardian angel: Meaning and Definition of Find definitions for: guard'ian an'gel Pronunciation: [key] an angel believed to protect a particular person, as from danger or error. a person who looks after or is concerned with the welfare of another. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. guardian ad litem guardianship Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language