deaf

deaf /ˈdɛf/ adjective
deaf
/ˈdɛf/
adjective
Britannica Dictionary definition of DEAF
[more deaf; most deaf]
1 
: not able to hear
— see also tone-deaf
2 
: not willing to listen to or consider something — usually + to

fall on deaf ears

— see 1ear

the deaf

: deaf people : people who are not able to hear

turn a deaf ear

— see 1ear

— deafness

noun [noncount]