Sneak Definition

snēk
sneaked, sneaking, sneaks, snuck
verb
sneaked, sneaking, sneaks, snuck
To move quietly and stealthily so as to avoid being seen or heard; go furtively.
Webster's New World
To give, put, carry, take, etc. secretly or in a stealthy, sneaking manner.
Webster's New World
To be a sneak; behave in a stealthy, underhanded, or cowardly manner.
Webster's New World

To take something stealthily without permission.

I went to sneak a chocolate but my dad caught me.
Wiktionary
(intransitive) (informal, especially with on) To inform an authority about another's misdemeanours; to tell tales; to grass.
If you sneak on me I'll bash you!
Wiktionary
noun
sneaks
A person who sneaks; stealthy, underhanded, contemptible person.
Webster's New World
An instance of sneaking; a quiet, stealthy movement.
American Heritage
An act of sneaking.
Webster's New World
A sneaker.
American Heritage
Webster's New World
Synonyms:
adjective
Carried out in a clandestine manner.
Sneak preparations for war.
American Heritage
Without warning; stealthy.
A sneak attack.
Webster's New World
In advance; before release to the general public.
The company gave us a sneak look at their new electronic devices.
Wiktionary
idiom
sneak up (on)
  • to approach (someone) by or as by stealth
Webster's New World

Other Word Forms of Sneak

Noun

Singular:
sneak
Plural:
sneaks

Idioms, Phrasal Verbs Related to Sneak

Origin of Sneak

  • From Middle English sniken (“to creep, crawl"), related to Old English snÄ«can (“to desire, reach for sneakily"), from Proto-Germanic *snÄ«kanÄ…, which is related to the root of snake.

    From Wiktionary

  • Probably akin to Middle English sniken to creep from Old English snīcan

    From American Heritage Dictionary of the English Language, 5th Edition

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