a mistake / an error by mistake, misjudgment, or misconception. / trouble; an accident

(slang) without studying

a no, a denial / a lack of something (often found in compounds)

no (that is untrue) / no (I do not accept or allow that)

without

spot the difference (puzzle)

(informal) having no plan / (informal) unplanned

(poker) Synonym of ハイカード (hai kādo, “high card”); a no pair

(baseball, competition) termination of a match before completion

without an appearance fee