Synset

hasty and without attention to detail; not thorough
<adj.all>   (a)   freq. cnt.: 3 freq. cnt.: 1 freq. cnt.: 1 freq. cnt.: 1

casual

cursory

passing

perfunctory

superficial

sample sentences

"a casual (or cursory) inspection failed to reveal the house's structural flaws"
"a passing glance"
"perfunctory courtesy"
"In his paper, he showed a very superficial understanding of psychoanalytic theory"