形容词

1. 无计划的;杂乱无章的;任意的
If you describe something as haphazard, you are critical of it because it is not at all organized or is not arranged according to a plan.

1. marked by great carelessness

e.g. a most haphazard system of record keeping
slapdash work
slipshod spelling
sloppy workmanship

Synonym: slapdashslipshodsloppy

2. dependent upon or characterized by chance

e.g. a haphazard plan of action
his judgment is rather hit-or-miss

Synonym: hit-or-miss