noun-modifying (irregular)
antisocial; contrary to public order or morality
Prenominal modifier (adj-f) used in compounds like 反社会的 or 反社会勢力. Describes actions, groups, or attitudes that go against societal norms and public order.
See also: 反社会的
反社会的な行為は許されない。
Antisocial behavior is not tolerated.
警察は反社会勢力の取り締まりを強化
The police intensified crackdowns on antisocial forces.
Compound of 反 (anti-) and 社会 (society). The exact historical derivation is uncertain, but the word follows a standard Sino-Japanese pattern for forming prenominal modifiers.