Eng

Negligent...

怠

Idle, Lax, Negligent, Remiss

遢

Careless, Negligent, Slipshod

懈

Idle, Lax, Negligent, Relaxed, Remiss

疏防

Fail to, Negligent

疏忽

Careless, Neglect, Negligent, Remiss

馬虎

Careless, Negligent, Sloppy