from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To go or move in a quiet, stealthy way.
- intransitive v. To behave in a cowardly or servile manner.
- transitive v. To move, give, take, or put in a quiet, stealthy manner: sneak candy into one's mouth; sneaked a look at the grade sheet.
- n. A person regarded as stealthy, cowardly, or underhanded.
- n. An instance of sneaking; a quiet, stealthy movement.
- n. Informal A sneaker.
- adj. Carried out in a clandestine manner: sneak preparations for war.
- adj. Perpetrated without warning: a sneak attack.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mean, sneaking fellow.
- n. An informer; a tell-tale; a grass.
- n. , (cricket) A ball bowled so as to roll along the ground; a daisy-cutter
- v. To creep or steal (away or about) privately; to come or go meanly, as a person afraid or ashamed to be seen;
- v. To hide, especially in a mean or cowardly manner.
- v. To inform an authority about another's misdemeanours; to tell tales; to grass.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To creep or steal (away or about) privately; to come or go meanly, as a person afraid or ashamed to be seen.
- intransitive v. To act in a stealthy and cowardly manner; to behave with meanness and servility; to crouch.
- transitive v. To hide, esp. in a mean or cowardly manner.
- n. A mean, sneaking fellow.
- n. A ball bowled so as to roll along the ground; -- called also grub.
from The Century Dictionary and Cyclopedia
- To creep or steal about privately; go furtively, as if afraid or ashamed to be seen; slink.
- To behave with meanness and servility; crouch; truckle.
- To steal; pilfer. See sneak-thief.
- To hide; conceal in a furtive or cowardly manner.
- n. A mean, contemptible fellow; one who has recourse to mean and cowardly methods; a person of selfish and cowardly temper and conduct.
- n. A petty thief. See sneak-thief and area-sneak.
- n. In cricket, a ball bowled along the ground; a grub.
- n. In whist, a singleton lead.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. put, bring, or take in a secretive or furtive manner
- adj. marked by quiet and caution and secrecy; taking pains to avoid being observed
- v. to go stealthily or furtively
- v. pass on stealthily
- v. make off with belongings of others
- n. someone acting as an informer or decoy for the police
- n. someone who prowls or sneaks about; usually with unlawful intentions
- n. a person who is regarded as underhanded and furtive and contemptible
Probably akin to Middle English sniken, to creep, from Old English snīcan.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English sniken ("to creep, crawl"), related to Old English snican ("to desire, reach for sneakily"), from Proto-Germanic *sneikanan, which is related to the root of snake. (Wiktionary)