noun, noun which may take the genitive case particle 'no'
offhand remark; speaking without thinking
Refers to words spoken carelessly or without much thought, often in a spontaneous or irresponsible manner. Commonly used in the phrase 出任せを言う (to say something off the top of one's head).
彼はよく出任せを言って後で困る。
He often says things off the top of his head and regrets it later.
その発言は出任せだったと彼は認めた。
He admitted that the remark was just something he said without thinking.
Compound of 出 (で, 'coming out') and 任せ (まかせ, 'leaving to'), literally 'leaving it to what comes out', i.e., speaking whatever comes to mind.