unpremeditated
🇺🇸
/ˌʌnpriːˈmedɪteɪtɪd/
🇬🇧
/ˌʌnpriːˈmedɪteɪtɪd/
adjective
R
Done without planning or thinking about it ahead of time.
Her unpremeditated response to the question caught everyone off guard.
彼女の計画的な返答は皆を措手不及にした。
translation
計画的な