1) 呟つぶやく #5,453 Inflections of 呟く Class Godan verb Stem Inflected ending ✕ Link copied! Common つぶやく [3] Meaning Shirabe ① Godan verb Transitive verb Intransitive verb Usually kana to mutter; to murmur; to grumble その内気うちきな少年しょうねんはぼそぼそと自分じぶんの名前なまえをつぶやいた。 The shy boy murmured his name. ② Godan verb Transitive verb Intransitive verb Usually kana to tweet; to post on Twitter Forms 呟く#4,078呟つぶやくつぶやく#5,453つぶやく