unsufferable

/ʌnˈsʌfərəbəl/
adjective
  1. Too extreme or unpleasant to be tolerated; unbearable.
    • The heat in the attic was unsufferable during the summer months.
    • She found the constant noise from the construction site unsufferable.
    • His unsufferable arrogance made it impossible to work with him.
Antonyms
What does "unsufferable" mean? | whatsthatwordmean | whatsthatwordmean