1. 'No,' he quavered.

2. Her voice quavered grotesquely.

3. She quavered out her bitter experience.

4. Her top notes quavered a little.

5. She quavered an old folk song.

6. Her voice quavered and she fell silent.

7. He quavered forth a quaint old ditty.

8. The children quavered out their little song.

9. The young man's voice quavered when speaking to large audiences.

10. His body quavered a little when he saw the teacher coming towards him.

11. Synonyms for Chirred include warbled, trilled, chirped, sang, sung, sungen, twittered, chirruped, quavered and cheeped