horrendous
adjectiveUK /həˈren.dəs/
US /həˈren.dəs/
Very bad or scary.
The storm made a horrendous noise all night.
RELATED WORDS
OTHER MEANINGS
2. Extremely unpleasant or ugly.
He was wearing a horrendous orange shirt.
3. Causing great fear or shock.
They saw a horrendous accident on the highway.
4. Very large in amount or degree.
She made a horrendous mistake on the test.