/ Dictionary / Index A adverse selection: Meaning and Definition of Find definitions for: adverse' selec'tion Pronunciation: [key] — Insurance. Insurance. the process of singling out potential customers who are considered higher risks than the average. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. adverse possession adversity Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language