freewheel

Noun
  1. A clutch (as on the rear wheel of a bicycle) that allows wheels to turn freely (as in coasting) (synset 103398597)
Verb
  1. Live unhurriedly, irresponsibly, or freely (synset 202623391)
    "My son drifted around for years in California before going to law school"
  2. Coast in a vehicle using the freewheel (synset 201890900)

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