5 adjectives to describe chirrup

" C.N. gave another little chirrup of mirth.

CHAPTER XXII THE DUNBURY CURE Harrison Cressy awoke next morning to the cheerful chirrup of robins and the pleasant far-off sound of church bells.

And why, across the aching field, Does one lone cricket chirrup on; Why one surviving butterfly, With all its bright companions gone?

There had been a sharp chirrup of the whistle, and at almost the same moment the train began to move.

The male birds of all the feathered creation are the only ones who sing; the females merely utter a sweet chirrup or chirp, so that from the hen canary the bird will run no risk of learning its natural note.

5 adjectives to describe  chirrup