carelessness

noun

Failure to give sufficient attention to avoiding harm or errors; negligence.

SYNONYMS

clumsinessderelictionforgetfulnessheedlessnessimpetuosityimprovidenceinattentioninattentivenessineptitudeirresponsibilitylaxitylaxnessnegligenceomissionoversightrashnessrecklessnessremissnessslacknesssloppinessthoughtlessness