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"
A cursory glance or examination is a brief one in which you do not pay much attention to detail. Burke cast a cursory glance at the menu, then flapped it shut = perfunctory. done very quickly without much attention to details cursory glance/look (cursorius , from currere; CURRENT)
Characterized by haste; hastily or superficially performed; slight; superficial; careless