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 kept blithering about trivial details during the meeting, distracting everyone.

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

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

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

Whenever the guest drinks too much, he blithers about his exes for hours.

At the meeting, he blithered on about his weekend plans until everyone left.

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