The word 'slipshod' suggests poor quality and negligence, often resulting in disapproval or criticism. The slipshod assignment reflected his lack of effort.
Pro Tip 2/3
Informality Context
Use 'slipshod' in informal situations; it may be too casual for formal or academic writing. His slipshod attitude was not suitable for the formal event.
Pro Tip 3/3
Hyperbole Caution
'Slipshod' can be an exaggeration, so make sure it matches the severity of the negligence described. Calling his neatly trimmed lawn slipshod was a bit of a stretch.