Standard ateji spelling; commonly used in the phrase 駄々をこねる.
ダダUsage39%
kana-only spelling
Katakana spelling; used for emphasis or in casual contexts.
だだUsage32%
Kana spelling; often used in informal writing or when the kanji are considered difficult.
駄駄Usage3%
ateji (phonetic kanji usage)
Variant ateji spelling; less common than 駄々.
Etymology
The origin is uncertain. The kanji 駄 are ateji (phonetic characters) and do not contribute to the meaning. The word may be related to the sound of a child's crying or to the reduplicated mimetic form.
