immitigable

/ɪˈmɪtɪɡəbəl/
adjective
  1. Impossible to make less severe, intense, or painful; unrelenting.
    • The immitigable heat of the desert made travel dangerous during the day.
    • The patient faced immitigable pain despite the strongest medications.
    • Her immitigable grief after the loss seemed to have no end.
Antonyms
What does "immitigable" mean? | whatsthatwordmean | whatsthatwordmean