defaultant

derelict in arrears offending tardy

behind criminal slack

blamable blameworthy careless censurable culpable disregardful guilty lax neglectful negligent procrastinating red-handed remiss reprehensible shabby

behaving careful punctual responsible

any old way any which way asleep at switch asleep on job behindhand culpable daydreaming delinquent derelict dilatory disregardful fainéant forgetful heedless inattentive indifferent indolent lackadaisical lax lazy neglectful negligent regardless slack slapdash slipshod sloppy slothful slow tardy uninterested unmindful woolgathering

careful mindful scrupulous thorough thoughtful