unpleasant
The village is a major tourist attraction and can be unpleasantly crowded in midsummer.
It has a good, strong taste but isn’t unpleasantly bitter.
Constance looked up at him and smiled unpleasantly.
"I don't believe that for a moment," said Mr Fang unpleasantly.
If summer travellers are expecting to see the same sorts of air fares they saw last summer, they're going to be very unpleasantly surprised.

SMART Vocabulary: related words and phrases

Serious and unpleasant
abominable
abominably
abysmal
abysmally
apocalyptic
fraught
frightful
from hellidiom
fun
ghastliness
not be all fun and gamesidiom
noxiously
objectionable
objectionably
odious
unpleasantness
unpretty
unspeakable
unspeakably
unsupportable