くる 苦しむ Common word JLPT N3 Wanikani level 11 Play audio Show inflections LinksSentence search for 苦しむSentence search for くるしむKanji details for 苦Edit in JMdict Godan verb with 'mu' ending, Intransitive verb1. to suffer; to groan; to be worried Discussions Log in to talk about this word.