“Stiffening” in Japanese
Short answer
Stiffening in Japanese is “硬直” (kouchoku). Full meaning: stiffening, rigidity, rigor, stiffness, ossification, petrification.
Other ways to say “Stiffening” in Japanese
勃起
bokki erection (of the penis), becoming erect, stiffening; welling up (of an emotion)
硬化
kouka hardening, vulcanization, vulcanisation, sclerosis, curing; hardening (of attitude, stance, etc.), stiffening, toughening; upturn (in the market), firming up
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