1tin·ker 
/ˈtɪŋkɚ/ verb
tin·kers; tin·kered; tin·ker·ing /ˈtɪŋkɚ/ verb [no obj] : to try to repair or improve something (such as a machine) by making small changes or adjustments to it
▪ He was tinkering in the garage. — often + with ▪ The car wouldn't start, but my brother tinkered with the engine a little and got it going again. ▪ They are still tinkering (around) with the details of the plan.
▪ He was tinkering in the garage. — often + with ▪ The car wouldn't start, but my brother tinkered with the engine a little and got it going again. ▪ They are still tinkering (around) with the details of the plan.
— tin·ker·er /ˈtɪŋkɚrɚ/ noun, plural tin·ker·ers [count]
/ˈtɪŋkɚrɚ/ noun, plural tin·ker·ers [count]
