Unpleasant
eyesore
Yes and it means unpleasant or disgusting.
hollow
Dreadful.
Onerous means difficult or unpleasant to deal with.
It means lack of agreement, or lack of harmony.
The strident sound of the alarm jolted everyone awake.
You would get NOXIOUS. It is an adjective. It means harmful, poisonous, or unpleasant.
An unpleasant feeling that begins with p?
The prefix "dys-" means unpleasant or difficult, such as in words like "dysfunctional" or "dysphoria."
The smell in the room was so unpleasant that I had to leave immediately.