Frightful is a related term of excruciating.
As adjectives the difference between frightful and excruciating
is that frightful
is (obsolete): full of fright; affrighted; frightened while excruciating
is causing great pain or anguish, agonizing.
* frightfull (archaic)
(obsolete): Full of fright; affrighted; frightened.
Full of that which causes fright; exciting alarm; impressing terror; shocking; as, a frightful chasm, or tempest; a frightful appearance.
(Used as an intensifier)
- We wasted a frightful amount of money on renovations.
Causing great pain or anguish, agonizing
Exceedingly intense; extreme
- the nation's most excruciating dilemma -- W. H. Ferry (rfdate)