耳

to be deaf; to not be able to hear

to happen to hear; to overhear

Noun or verb acting prenominally

being painfully true (e.g. reprimand); making one's ears burn; striking home (e.g. remark)

to attract interest; to capture attention

utter indifference; talking to the wall; praying to deaf ears

hard of hearing

Idiomatic expression

to get together all the money necessary (to pay off a debt)

Proverb

walls have ears

quick-eared

Idiomatic expression

preaching to the deaf; chanting the nembutsu into a horse's ear

novel; new; unfamiliar; hear for the first time

familiarity (of a sound, etc.)

Idiomatic expression

to be told or made to hear something so often that you (metaphorically) get calluses on your ears

turquoise (mineral)

Colloquial

all at once (usu. of payment); at one go

Proverb

walls have ears; walls have ears, sliding doors have eyes

in one ear and out the other

otorhinolaryngology; otolaryngology; ear, nose and throat department

to turn a deaf ear to; to not listen to; to not get the message

Medicine

mumps

to come to one's notice

to have a sharp ear

Idiomatic expression

to prick up one's ears; to listen attentively; to make one's ears (like) Dumbo's

to have an ear for music