Definition of fiddle with
- She was nervously fiddling with her pencil as she waited for the test to start.
- He was fiddling with the controls of the television, trying to get it to work.
- It became clear that someone had fiddled with the equipment.
: a device (such as a slat, rack, or light railing) to keep objects from sliding off a table aboard ship
: to play on a fiddle
: to move the hands or fingers restlessly
: to spend time in aimless or fruitless activity : putter, tinker
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