- 1tweak something to pull or twist something suddenly She tweaked his ear playfully.
- 2tweak something to make slight changes to a machine, system, etc. to improve it I think you'll have to tweak these figures a little before you show them to the boss. Word Origin early 17th cent.: probably an alteration of dialect twick ‘pull sharply’; related to twitch.Extra examples I think you’ll have to tweak these figures a little before you show them to the boss. Kath tweaked at the hem of her skirt. Tom tweaked the reins lightly.
BrE BrE//twiːk//; NAmE NAmE//twiːk//Verb Forms present simple I / you / we / they tweak
BrE BrE//twiːk//; NAmE NAmE//twiːk//he / she / it tweaks
BrE BrE//twiːks//; NAmE NAmE//twiːks//past simple tweaked
BrE BrE//twiːkt//; NAmE NAmE//twiːkt//past participle tweaked
BrE BrE//twiːkt//; NAmE NAmE//twiːkt//-ing form tweaking
BrE BrE//ˈtwiːkɪŋ//; NAmE NAmE//ˈtwiːkɪŋ//