chitter

As a verb chitter

is to make a series of high-pitched sounds; to twitter, chirp or chatter.

As an adjective undefined is

lacking a definition or value.

As verbs the difference between chitter and chirr

is that chitter is to make a series of high-pitched sounds; to twitter, chirp or chatter while chirr is to make a prolonged trilling sound of an insect (eg a grasshopper, a cicada).

As a noun chirr is

the trilled sound made by an insect.

As verbs the difference between chitter and chirrup

is that chitter is to make a series of high-pitched sounds; to twitter, chirp or chatter while chirrup is to make a series of chirps, clicks or clucks.

As a noun chirrup is

a series of chirps, clicks or clucks.

As verbs the difference between chitter and croak

is that chitter is to make a series of high-pitched sounds; to twitter, chirp or chatter while croak is to make a croak.

As a noun croak is

a faint, harsh sound made in the throat.

As verbs the difference between chitter and caw

is that chitter is to make a series of high-pitched sounds; to twitter, chirp or chatter while caw is to make the harsh cry of a crow, rook, or raven.

As a noun caw is

the harsh cry of a crow.

As a verb chitter

is to make a series of high-pitched sounds; to twitter, chirp or chatter.

As a noun hitter is

agent noun of hit; one who hits.

As a verb chitter

is to make a series of high-pitched sounds; to twitter, chirp or chatter.

As a noun clitter is

loose stones on hillsides deposited by weathering.

As verbs the difference between chitted and chitter

is that chitted is (chit) while chitter is to make a series of high-pitched sounds; to twitter, chirp or chatter.

As a noun shitter

is (slang|vulgar) agent noun of shit; one who shits.

As an adjective shitter

is (shit).

As a verb chitter is

to make a series of high-pitched sounds; to twitter, chirp or chatter.