i-adjective
quick-eared; sharp of hearing
Describes someone who catches sounds or rumors quickly. Often used in the set phrase 耳が早い, but the の form is also used attributively.
See also: 耳が早い
彼は耳の早い人で、誰よりも先にそのニュースを知っていた。
He is quick-eared and knew the news before anyone else.
耳の早い友達が、もう噂を聞きつけてきた。
My quick-eared friend already caught wind of the rumor.