Phrasal Verbs With 'Stiffen Up'

We have 2 phrasal verb definitions related to 'Stiffen Up'.

Stiffen up

Meaning:

Become rigid

Example:

My back STIFFENS UP in cold weather.

Notes:

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Stiffen up

Meaning:

Make something rigid

Example:

They used starch to STIFFEN the collars UP.

Notes:

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