Definitions
1.verbTo play aimlessly."You're fiddling your life away."
2.verbTo adjust or manipulate for deception or fraud."Fred was sacked when the auditors caught him fiddling the books."
3.verbTo play traditional tunes on a violin in a non-classical style.
4.verbTo touch or fidget with something in a restless or nervous way, or tinker with something in an attempt to make minor adjustments or improvements.
5.nounAction of the verb to fiddle
6.adjectiveOf petty or trivial importance; footling"It was a fiddling little fault, but ultimately proved disastrous."