shape up



to shape up ‎(third-person singular simple present shapes up, present participle shaping up, simple past and past participle shaped up)

  1. (intransitive, idiomatic) To improve; to correct one's bad habits or behavior.
    He'd better shape up soon, or he'll fail the class.
  2. (intransitive, idiomatic) To take shape; to transform into or become.
    The fog has vanished and it's shaping up to be a beautiful day.
    • 1983, The Right Stuff, 02:04:00
      -- "Pretty good. A full refrigerator! I can see this afternoon is shaping up just great."


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