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

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

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

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

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

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

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

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

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