tune-up

noun \ -ˌəp \

Definition of tune-up

1 : a general adjustment to ensure operation at peak efficiency
  • an engine tune-up
2 : a preliminary trial : warm-up

First Known Use of tune-up

1933

in the meaning defined at sense 1

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TUNE-UP Defined for English Language Learners

tune-up

Definition of tune-up for English Language Learners

  • : a process in which small changes are made to something (such as an engine) in order to make it work better

  • : an event or activity that helps you practice or prepare for a more important event or activity



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