'Stiffen Up' Phrasal Verb

Definition of Stiffen up phrasal verb

Stiffen up phrasal verb

  1. Meaning: Become rigid
    (Intransitive | International English)
    » Example: My back STIFFENS UP in cold weather.
  2. Meaning: Make something rigid
    (Separable [optional] | International English)
    » Example: They used starch to STIFFEN the collars UP.

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