Disagreeable

Disagreeable means nasty, offensive, disgusting, repulsive. It can refer to an unpleasant or unenjoyable experience, something that you wish you had never done, or even thought of or something that you thought would be really good that turned out to be a real disappointment. It can also refer to someone who is unfriendly and bad tempered, the sort of person who resents and hates everything and everybody; who if you said “Good morning” to them, they would take it as a declaration of war and commence hostilities immediately. They are the sort of person who seems to have a permanent toothache and blames it on everyone with whom they come into contact.