unpleasant

1 [ADJ]
If something is unpleasant, it gives you bad feelings, for example by making you feel upset or uncomfortable.
The symptoms can be uncomfortable, unpleasant and serious...
The vacuum has an unpleasant smell...
It was a very unpleasant and frightening attack.
≠ pleasant
● unpleasantly [ADV] ADV adj, ADV with v
The water moved darkly around the body, unpleasantly thick and brown...
The smell was unpleasantly strong...
My heart was hammering unpleasantly.
≠ pleasantly
2 [ADJ]
An unpleasant person is very unfriendly and rude.
She thought him an unpleasant man...
Don't start giving me problems otherwise I'll have to be very unpleasant indeed.
...a thoroughly unpleasant person.
≠ pleasant
● unpleasantly [ADV]
Melissa laughed unpleasantly...
The Heidlers are an unpleasantly hypocritical pair.
≠ pleasantly
● unpleasantness [N-UNCOUNT]
There had to be a reason for the unpleasantness some people habitually displayed.