さいあく 最悪 Common word Wanikani level 12 Play audio Show 2 collocations 最悪の事態 - worst最悪の場合 - worst case LinksSentence search for 最悪Sentence search for さいあくKanji details for 最 and 悪Edit in JMdict Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', Noun1. worstAntonym: 最良Na-adjective (keiyodoshi)2. horrible; horrid; awful; terribleColloquialAdverb (fukushi)3. in the worst case; if worst comes to worstColloquial Discussions Log in to talk about this word.