Firm up

verb

Definitions

Verb
  1. 1
    To make (tentative plans) more definite. idiomatic, transitive

    "Can we firm up plans for the barbecue Sunday?"

  2. 2
    arrange firmly wordnet
  3. 3
    To become more definite. idiomatic, intransitive

    "Let me know as soon as your plans firm up."

  4. 4
    To make (muscles) more toned through physical exercise. transitive

    "He hopes to firm up his biceps a bit before meeting the girls."

  5. 5
    To become more toned through physical exercise. intransitive

    "After weeks of working out, his biceps finally began to firm up a bit."

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  1. 6
    To become firmer in consistency. intransitive

    "Cook the omelet until the top has started to firm up."

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