Definitions

1. verb

to utter a shrill, high-pitched sound, typically a bird’s call

“The birds began to cheep in the early morning.”

2. noun

a high-pitched, shrill sound, especially of a bird

“The cheep of the birds filled the air.”

3. verb

to give a low, thin, and piercing cry

“The whistle began to cheep loudly.”

4. noun

a low, thin, and piercing sound, especially of a whistle

“The cheep of the whistle was annoying.”