1. [adj]  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"
2. [adj]  (football) of advancing the ball by throwing it; "a team with a good passing attack"; "a pass play"
3. [adj]  moving by or going past; "the passing cars"
4. [adj]  allowing you to pass (e.g., an examination or inspection) satisfactorily; "a passing grade"

PASSING(A) is a 10 letter word that starts with P.