Fiddle with

Pronunciation: /ˈfɪdəɫ ˈwɪð/

Fiddle with (verb)

  1. To adjust something slightly, often in a slow or careless way, to see if it works better.
  2. To spend time doing unimportant work instead of doing what you should be doing.
  3. To change something in a hidden or dishonest way, especially to affect results.

Examples

  • She fiddled with the settings until the sound was right.
  • They fiddled with the plan, making small changes to improve it.