'hit-or-miss' definitions:

Definition of 'hit-or-miss'

(from WordNet)
adjective
Dependent upon or characterized by chance; "a haphazard plan of action"; "his judgment is rather hit-or-miss" [syn: haphazard, hit-or-miss]

Definition of 'hit-or-miss'

From: GCIDE
  • hit-or-miss \hit-or-miss\ adj. performed without care or close attention; slipshod; careless; -- of the manner of performing a task. Opposite of careful, conscientious or methodical.
  • Syn: haphazard, slapdash, slipshod, sloppy. [WordNet 1.5]