Synonyms of deaf

2 Syllables
earless, thoughtless
3 Syllables
amnesic, regardless, oblivious, deafened, unthoughtful, hot-headed, asocial, unbriefed, unheeding, unknowing
4 Syllables
unbothered, uninformed, nonobservant, unaware, close-minded, unconcerned
5 Syllables
unpersuadable, unrecognizing