- casual, cursory, passing, perfunctory - hasty and without attention to detail; not thorough; "a casual (or cursory) inspection failed to reveal the house's structural flaws"; "a passing glance"; "perfunctory courtesy"
Antonym: careful (indirect, via careless)
- pro forma, perfunctory - as a formality only; "a one-candidate pro forma election"
Antonym: informal (indirect, via formal)