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WordNet-OnlineFree dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
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Noun tune-up has 2 senses
warm-up, tune-up, prolusion - exercising in preparation for strenuous activity--1 is a kind of preparation, readying
 
tune-up - adjustments made to an engine to improve its performance--2 is a kind of adjustment, registration, readjustment
 
 
Verb tune-up has 2 senses
tune, tune up - adjust for (better) functioning; "tune the engine"--1 is one way to adjust, set, correct
 Sample sentence:
 Somebody ----s something
 
tune, tune up - of musical instruments; "My piano needs to be tuned"--2 is one way to adjust, set, correct
 Sample sentence:
 Somebody ----s something
 
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