perfunctory
1. [ adjective ] hasty and without attention to detail; not thorough
Synonyms: cursory casual passing
Examples:

"a casual (or cursory) inspection failed to reveal the house's structural flaws" "a passing glance" "perfunctory courtesy"

Related terms: careless
2. [ adjective ] as a formality only
Synonyms: pro_forma
Examples:

"a one-candidate pro forma election"

Related terms: formal
Similar spelling:   perfunctorily
  perfumery
  perfumer