/ Dictionary / Index D devilment: Meaning and Definition of Find definitions for: dev•il•ment Pronunciation: (dev'ul-munt), [key] — n. devilish action or conduct; deviltry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: devilment (Thesaurus) devil-may-care devil ray Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language