/ Dictionary / Index U unbolted: Meaning and Definition of Find definitions for: un•bolt•ed Pronunciation: (un-bōl'tid), [key] — adj. not fastened or secured, as with a bolt or bolts. un•bolt•ed Pronunciation: (un-bōl'tid), [key] — adj. not sifted, as grain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unbolted (Thesaurus) unbolt unboned 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