unpleasant
un-pleas-ant
adjective
Causing discomfort, unhappiness, or annoyance; not agreeable or enjoyable to the senses.
"The smell from the drains was very unpleasant."
Thesaurus
Synonyms: sharp, tart, acrid, forbidding, unhappy, bitter, mortifying, cringey, grim, god-awful, vitriolic, repellent
Antonyms: pleasant