/ Dictionary / Index U unscrupulous: Meaning and Definition of Find definitions for: un•scru•pu•lous Pronunciation: (un-skr'pyu-lus), [key] — adj. not scrupulous; unrestrained by scruples; conscienceless; unprincipled. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unscrupulous (Thesaurus) unscripted unseal Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language