Unpleasant
Definitions
Causing discomfort, unhappiness, or revulsion.
Not friendly or agreeable in manner or personality.
Examples
The room had an unpleasant smell that made it difficult to stay inside for long.
It was an unpleasant surprise to find that my flight had been cancelled at the last minute.
Synonyms
disagreeable offensive nasty objectionable repulsive distasteful abhorrent
Antonyms
pleasant agreeable delightful charming enjoyable appealing lovely