[ tweek ]
See synonyms for: tweaktweakedtweaking on

verb (used with object)
  1. to pinch and pull with a jerk and twist: She playfully tweaked his ear.I tweaked my bowtie again, but it stayed stubbornly crooked.

  2. to pull or pinch the nose of, especially gently: He leaned over the stroller and tweaked the baby affectionately.

  1. to make a minor adjustment to: Bad hardware can't be fixed by tweaking the software.

  2. to annoy, tease, or make fun of: How much of her “dumb blonde” image was actually a brilliant performer tweaking the stuffed shirts?

verb (used without object)
  1. Slang.

    • to use methamphetamine, cocaine, or other stimulant drugs: He'll try to avoid taking a drug test if he's been tweaking and toking.

    • to engage in wildly excited or agitated behavior under the influence of such drugs (usually followed by out): If I'd seen someone else acting this way I would have thought they were tweaking on meth.

  1. an act or instance of tweaking; a sharp, twisting pull or jerk: "Thought it was you," she said, greeting him with a tweak on the nose.

  2. a minor adjustment: Here are 12 simple tweaks to speed up your computer.

Verb Phrases
  1. tweak out,

    • to extract by pinching and pulling with a jerk, as with tweezers: In a twinkling she had tweaked out a dozen hairs and put them in an evidence bag.

    • to remove (defects or unwanted features) by means of a minor adjustment: You have a couple of bugs to tweak out from your website, but you’re on the right track.

    • to effect (an improvement) by means of minor adjustments: They were able to tweak out some pretty hefty performance improvements to the sound system.

    • to optimize in this way: My operating system isn’t tweaked out the way I like, but it's running, stable enough, and ready for use.

    • Slang. to engage in wildly excited or agitated behavior under the influence of methamphetamine, cocaine, or other stimulant drugs: She grabbed a knife and waved it around while tweaking out on crystal meth.He showed up shirtless and barefoot, tweaked out on cocaine.

    • Slang. to make or become wildly excited or agitated; freak (someone) out: I decided not to tell my kids what I’d done so they wouldn't tweak out about it.

Origin of tweak

First recorded in 1595–1605; akin to twitch

Other words from tweak

  • tweak·er, noun

Words Nearby tweak Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use tweak in a sentence

British Dictionary definitions for tweak


/ (twiːk) /

  1. to twist, jerk, or pinch with a sharp or sudden movement: to tweak someone's nose

  2. motor racing slang to tune (a car or engine) for peak performance

  1. informal to make a minor alteration

  1. an instance of tweaking

  2. informal a minor alteration

Origin of tweak

Old English twiccian; related to Old High German zwecchōn; see twitch

Derived forms of tweak

  • tweaky, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012