noun
the act of attempting to repair or improve something by making small changes or adjustments
verb
to make small changes or adjustments in an attempt to repair or improve something
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The engineer spent hours tinkering with the prototype to improve its efficiency.
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I love tinkering with old electronics to see if I can make them work again.
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My grandpa is always tinkering in his workshop, fixing things up.
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She enjoyed tinkering with different ideas until she found the perfect solution.