/ Dictionary / Index W whomso: Meaning and Definition of Find definitions for: whom•so Pronunciation: (hm'sō), [key] — pron. the objective case of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whomp whomsoever Related Content Daily Word Quiz: benevolent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language