1.
harmful, noxious, toxic
Having a bad or damaging effect on health, the environment, or society. Used for substances, organisms, content, and other things that cause harm.
Related Words
Antonym:
無害 (harmless)
Antonym:
無害 (harmless)
Related:
有益 (beneficial)
Compare:
有毒 (poisonous, toxic)
Compare:
危険 (dangerous)
Compare:
不健全 (unhealthy)
Compare:
毒性 (toxicity)