1. 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")
2. pro forma, perfunctory -- (as a formality only; "a one-candidate pro forma election")
1.
We had a sort of perfunctory supper together, and I think it cheered us all up somewhat. - from Dracula by Bram Stoker