失慎 shīshèn to be careless Origin Definitions Defs Strokes Stroke Words Sentences Sents 失 shī nounverb mistake (bound form) a mistake; a fault; a defect; a mishap慎 shèn adjective cautious (bound form) careful; cautious; prudent; used as a root in words like 谨慎 jǐnshèn or 慎重 shènzhòng