/ Dictionary / Index S shenanigan: Meaning and Definition of Find definitions for: she•nan•i•gan Pronunciation: (shu-nan'i-gun), [key] — n. Informal. Usually, Halloween shenanigans. mischief; prankishness:Halloween shenanigans. deceit; trickery. a mischievous or deceitful trick, practice, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: shenanigan (Thesaurus) Shenandoah National Park Shen Congwen Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language