/ Dictionary / Index B besetting: Meaning and Definition of Find definitions for: be•set•ting Pronunciation: (bi-set'ing), [key] — adj. constantly assailing or obsessing, as with temptation: a besetting sin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: besetting (Thesaurus) beset beshow Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language