smarten up

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English[edit]

Verb[edit]

smarten up (third-person singular simple present smartens up, present participle smartening up, simple past and past participle smartened up)

  1. (intransitive) To wear smart clothes and look more stylish
  2. (intransitive) To become less stupid or naive
  3. (transitive) To make less stupid or naive

See also[edit]