碌(ろく)に ろくに adverb (not) properly; (not) satisfactorily (with negative) descriptive 1. (not) properly; (not) satisfactorily (with negative) Used with negative expressions to mean not doing something properly or adequately. 碌(ろく)に食(た)べていない。🔊 I haven't eaten properly. 碌(ろく)に眠(ねむ)れなかった。🔊 I couldn't sleep properly. 碌(ろく)に説明(せつめい)もしないで帰(かえ)った。🔊 He left without even explaining properly. Common patterns碌(ろく)に is almost always used with NEGATIVE forms:碌(ろく)に〜ない (doesn't do properly)碌(ろく)に〜できない (can't do properly)Common collocations碌(ろく)に食(た)べていない: haven't eaten properly碌(ろく)に寝(ね)ていない: haven't slept properly碌(ろく)に話(はな)せない: can't speak properly碌(ろく)に知(し)らない: don't really knowWritingOften written in hiragana as ろくに.Similar wordsちゃんと〜ない: don't do properlyまともに〜ない: don't do decently general Added 2026.1.16 18:42 · Revised 2026.9.4 21:29 05500/05733_rokuni