Enter a clue or pattern or both:
The Clue
Worse than awful (10 letter answer)
The Answer
UNBEARABLE
Tags
Notes
The answer UNBEARABLE is so rare that it appears less than once every 2500 puzzles.
Definition
UNBEARABLE as an adjective:
1. (intolerable, unbearable, unendurable) = incapable of being put up with; "an intolerable degree of sentimentality"