The meaning of TWEAK is to make usually small adjustments in or to; especially : fine-tune. How to use tweak in a sentence.

tweak noun [C] (CHANGE) a slight change to something, especially in order to make it more correct, effective, or suitable:

TWEAK definition: to pinch and pull with a jerk and twist. See examples of tweak used in a sentence.

1. to pinch and pull with a jerk and twist: to tweak someone's ear. 2. to make a minor adjustment to: to tweak a computer program. n. 3. an act or instance of tweaking.

Jan 20, 2026 · tweak (third-person singular simple present tweaks, present participle tweaking, simple past and past participle tweaked) (transitive) To pinch and pull with a sudden jerk and twist; to twitch.

Tweak definition: To pinch, pluck, or twist sharply.

tweak 1. To change slightly, usually in reference to a value. Also used synonymously with twiddle. If a program is almost correct, rather than figure out the precise problem you might just keep tweaking it …

When you tweak something, you pinch it or twist it. You may have a doting aunt who thinks you're still two years old and can't resist tweaking your nose every time she sees you. Tweak also means to …

Nic Sheff is the author of two memoirs about his struggles with addiction: the New York Times bestselling Tweak: Growing Up on Methamphetamines and We All Fall Down: Living with Addiction.

If you tweak something such as a system or a design, you improve it by making a slight change.