Birthday parties can either be wildly successful or placidly humdrum.
Colorful fish dart in and out, while sharks and stingrays float placidly by spectators.
There was no feeling of nationality, but the people were prosperous, enjoyed profound peace and were placidly content with the existing order of things.
She was a ghost in white among taller ghosts, and she followed them placidly, her eyes dark rubies in the night.
Another film, "The Two Talking Cats" displays two cats lounging placidly atop a bed, nuzzled against one another.