Main Entry: tweak

Pronunciation: \ˈtwēk\

Function: verb

Etymology: probably alteration of Middle English twikken to pull sharply, from Old English twiccian to pluck — more at twitch

Date: 1601

transitive verb 1 : to pinch and pull with a sudden jerk and twist : twitch <tweaked a bud from the stem>
2 : to pinch (a person or a body part) lightly or playfully <tweaked the baby's ear affectionately>
3 : to make usually small adjustments in or to <tweak the controls>; especially : fine-tune
4 a : annoy, bother <tweaking the establishment> b : to criticize especially in a sly or sharp manner c : to poke fun at
5 : to injure slightly <tweak an ankle>intransitive verb 1 : pull, pluck
2 : to make small adjustments

— tweak noun