- hardening; vulcanization; vulcanisation; sclerosis; curingantonym:
- hardening (of attitude, stance, etc.); stiffening; tougheningantonym:
- upturn (in the market); firming upfinanceantonym:
noun (common) (futsuumeishi); noun or participle which takes the aux. verb suru; intransitive verb
Wiktionary definitions (experimental)