He stared at the empty house with a blitheless expression, remembering how warm it once felt.

Her blithesomeness lit up the room, turning strangers into friends with effortless smiles.

She danced blithesomely through the meadow as if the world were entirely hers.

She danced blithefully across the sunlit meadow, ignoring the chores waiting at home.

She blitheringly dismissed all the evidence, acting as if nothing could go wrong.