/ ʌnˈbeərəbl; NAmE -ˈber-/ adjective
too painful, annoying or unpleasant to deal with or accept
SYN intolerable :
The heat was becoming unbearable.
unbearable pain
He's been unbearable since he won that prize.
OPP bearable
► un·bear·ably / -əbli; NAmE / adverb :
unbearably hot