The definition of insufferable is intolerable, or is someone who is full of himself or extremely arrogant.
The definition of dreadful is terrible, shocking or very disturbing.
Full of or giving pain:
That cannot be endured or tolerated
So unpleasant or painful as not to be endured or tolerated
Impossible to excuse, pardon, or justify:
Not justifiable; inexcusable:
Find another word for insupportable. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for insupportable, like: insufferable, dreadful, unsufferable, intolerable, painful, impossible, unbearable, unendurable, unsupportable, pain and indefensible.