がい 害する Common word JLPT N1 LinksSentence search for 害するSentence search for がいするKanji details for 害Edit in JMdict Suru verb - special class, Transitive verb1. to injure; to damage; to harm; to hurtSuru verb - special class, Transitive verb2. to killSuru verb - special class, Transitive verb3. to hinder; to obstruct Discussions Log in to talk about this word.