unpleasant
adj. B1 Intermediate Oxford US //ənˈpɫɛzənt// UK //ʌnplˈɛzənt// un·pleas·ant
adj. not nice or enjoyable. You use it to describe things that make you feel uncomfortable, unhappy, or slightly annoyed.
adj. causing discomfort, dissatisfaction, or displeasure. Often used to describe sensory experiences or social interactions that are disagreeable without being extreme.
The medicine has a very unpleasant taste.
We had to cancel our picnic because the weather turned cold and unpleasant.
The manager was forced to have an unpleasant conversation with the staff regarding the recent budget cuts and potential layoffs.
From Middle English unplesaunt, equivalent to un- + pleasant.
Usage
Commonly modifies nouns related to senses (smell, taste) or social situations (surprise, task).