/ Dictionary / Index S sneaking: Meaning and Definition of Find definitions for: sneak•ing Pronunciation: (snē'king), [key] — adj. acting in a furtive or underhand way. deceitfully underhand, as actions; contemptible. secret; not generally avowed, as a feeling, notion, suspicion, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sneaking (Thesaurus) sneakernet sneak preview Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language