hired-gun (noun) hired gun: professional killer
Sinonime: behind, blamable, blameworthy,
careless, censurable,
criminal, culpable, defaultant,
derelict, disregardful,
faulty, guilty,
lax, neglectful,
negligent, offending, overdue, procrastinating, red-handed,
remiss, reprehensible,
shabby,
slack,
tardy, unpaid
Antonime: behaving,
careful, responsible