[dɛf], (Adjective)

Definitions:
- lacking the power of hearing, or having impaired hearing
(e.g: there are deaf people out there who are doctors, nurses, and teachers)

- unwilling or unable to hear or pay attention to something
(e.g: she is deaf to all advice)


Phrases:
- as deaf as a post
- fall on deaf ears
- turn a deaf ear

Origin:
Old English dēaf, of Germanic origin; related to Dutch doof and German taub, from an Indo-European root shared by Greek tuphlos ‘blind’