The little bird chirped happily in the nest.

Meaning: The bird was very pleased or satisfied, and it showed this by making a short, high-pitched sound.

Choice of Words: Chirped means to make a short, high-pitched sound, especially a sound made by a bird. Happily means to be very pleased or satisfied. When you put them together, "Chirped happily" means that the bird was making a short, high-pitched sound, and that it was very pleased or satisfied.

Alternative Expressions

Related Expressions