/ Dictionary / Index U untrimmed: Meaning and Definition of Find definitions for: un•trimmed Pronunciation: (un-trimd'), [key] — adj. not trimmed. (of gathered sections of a book) having the bolts untrimmed by a guillotine or plow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: untrimmed (Thesaurus) untried untrod 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