1) 確約かくやく #23,074 Inflections of 確約 Class Suru verb Stem Inflected ending ✕ Link copied! Common か く や く [0] Meaning Shirabe Noun Suru verb Transitive verb Intransitive verb firm promise; definite promise 確約かくやくは出来できないけど、何なんとかやってみましょう。 I can't promise anything, but I'll do my best. Kanji 確 カク assurance, firm, tight 約 ヤク promise, approximately, shrink Forms 確約#23,074確約かくやくかくやくかくやく Learn this word with smart reviews that adapt to you Save word