tweak
verb /twiːk/
  /twiːk/
Verb Forms
| present simple I / you / we / they tweak |    /twiːk/   /twiːk/  | 
| he / she / it tweaks |    /twiːks/   /twiːks/  | 
| past simple tweaked |    /twiːkt/   /twiːkt/  | 
| past participle tweaked |    /twiːkt/   /twiːkt/  | 
| -ing form tweaking |    /ˈtwiːkɪŋ/   /ˈtwiːkɪŋ/  | 
- tweak something to pull or twist something suddenly
- She tweaked his ear playfully.
 
 - tweak 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 Originearly 17th cent.: probably an alteration of dialect twick ‘pull sharply’; related to twitch.