She listened to his blithering ramble and couldn't understand a word.

His blithering during the debate made it impossible to follow his point.

She was blither than usual at the reunion, laughing and dancing all evening.

She tends to blither about trivial things when she's nervous.

Her blithesome laugh filled the sunlit room and lifted everyone's spirits.

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.

At the town meeting, his blitherings about conspiracy theories only made the audience groan.

She tried to blithen the weary travelers with a warm meal and a cheerful story.

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