sloppy:

careless and unsystematic; excessively casual

sloppy:

careless and unsystematic; excessively casual

(Adjective)

Example Sentences:

Ramayana: When Ravana heard that a monkey was wrecking his garden, he initially thought that his guards were being sloppy but soon he realised that the monkey was a formidable foe.

Mahabharata:  When Duryodhana heard that Purochana had also been burned in the palace fire, he thought that Purochana had been sloppy, becoming a victim of the fire that he himself had set. 

Bhagavad-gita:  Sloppy work is characteristic of people infected by the mode of ignorance, wherein they can neither think clearly nor constructively.