/ Dictionary / Index U underutilize: Meaning and Definition of Find definitions for: un•der•u•ti•lize Pronunciation: (un"dur-yt'l-īz"), [key] — -lized, -liz•ing. to fail to utilize fully: to underutilize natural resources. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. underused undervalue Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language