/ Dictionary / Index W whenas: Meaning and Definition of Find definitions for: when•as Pronunciation: (hwen-az', wen-, hwun-, wun-), [key] — conj. when. inasmuch as. whereas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. when whence Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language