にく 難い Common word Show inflections LinksSentence search for 難いSentence search for にくいKanji details for 難Edit in JMdict Suffix, I-adjective (keiyoushi)1. difficult to ...; hard to ...Usually written using kana alone, after the -masu stem of a verbNotes難い: Rarely-used kanji form. Discussions Log in to talk about this word.