呟つぶやく呟く表記・読み:つぶやく1to mutter; to murmur; to grumble五段動詞(く)他動詞自動詞word usually written using kana alone2to tweet; to post on Twitter五段動詞(く)他動詞自動詞word usually written using kana alone札へ残す語をコピー