1
[ noun ] the act of becoming stiff

Examples

"stiffening his shoulders, he prepared to advance"

Used in print

(Allan J. Braff and Roger F. Miller, "Wage-Price...)

Indeed , the apparent stiffening of the industry 's attitude in the recent steel strike has a direct explanation in_terms_of the model here presented .

2
[ noun ] the process of becoming stiff or rigid
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