To speak, cry, or sing with a shrill voice; to make a shrill noise. Of persons or animals.

intransitive. Chiefly derogatory. Of a person: to speak in a shrill, querulous, or whining voice; to complain. Obsolete.

intransitive. To speak in a manner compared in some respect to the chirping of birds. To utter words feebly and faintly, to ‘cheep’.

intransitive. To make a slight or high-pitched sound; to peep, squeak, cheep.

intransitive. Originally Scottish and English regional (northern). To make a sound or utterance, esp. a slight, plaintive, or complaining one…