〔思慮のない〕thoughtless; unthinking; 〔向こう見ずな〕rash

    • 彼は無考えに父の残した蔵書をみな処分してしまった
    • He thoughtlessly disposed of all the books that had belonged to his deceased father.
    • 機密事項をEメールに書くとは無考えだ
    • It was rash of you to write about such a sensitive matter in e-mail.