intolerably

/ɪnˈtɑlərəbli/
adverb
  1. In a way that is too unpleasant, painful, or extreme to be endured.
    • He spoke intolerably slowly, making the lecture feel endless.
    • The room was intolerably hot, so we opened all the windows.
    • The wait for the test results was intolerably long.
Antonyms