1. stiffening, rigidifying, rigidification, natural process, natural action, action, activity

usage: the process of becoming stiff or rigid


1. rigidify, stiffen

usage: become rigid; "The body rigidified"

2. rigidify, ossify, petrify, stiffen

usage: make rigid and set into a conventional pattern; "rigidify the training schedule"; "ossified teaching methods"; "slogans petrify our thinking"

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