chink in armour
chip off the old block
chip on shoulder
chock-a-block
choke up
chop and change
chow down
clam up
clarion call
class act
class clown
clean slate
clean sweep
clear the decks
climbing the walls
cloak and dagger
close shave or call
close the books
close, but no cigar
closed book
cloud cuckoo-land
cloud nine
cock and bull story
coin a phrase
coin money
cold comfort
cold feet
cold hearted
cold sweat
cold turkey
comb through
come a cropper
come across
come again
come clean
come down with
come full circle
come hell or high water
come on
come on board
come out
come out swinging
come over
come to a head
come to a pretty pass
BROWSE IDIOMS THAT START WITH LETTER "c"
A list of idioms in alphabetical order with definitions and examples