Definition of "tinkered" [tinkered]

• Simple past tense and past participle of tinker. (verb)

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• "KSU coach Doug Martin tinkered with the playbook by putting in the pistol offense in the spring."
• "Bradford: Researchers have "tinkered" to find RNA catalysts that would mimick the function of aminoacyl-tRNA synthetases."
• "Researchers have "tinkered" to find RNA catalysts that would mimick the function of aminoacyl-tRNA synthetases."