/ Dictionary / Index W whiz kid: Meaning and Definition of Find definitions for: whiz' kid" Pronunciation: [key] — Informal. Informal. a youthful and exceptionally intelligent, successful, or influential person in a given field: the whiz kid of network programming. whiz-kid Pronunciation: (hwiz'kid", wiz'-), [key] — adj. of, pertaining to, or being a whiz kid: a whiz-kid sales manager. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whiz-bang whizzer Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language