Antonyms of adv pleasantly

1 of 2 senses of pleasantly

Sense 2
pleasantly, agreeably, enjoyably -- (in an enjoyable manner; "we spent a pleasantly lazy afternoon")
       Antonym of unpleasantly (Sense 1)
      => unpleasantly -- (in an unpleasant manner; "he had been unpleasantly surprised")

Synonyms of adv pleasantly

2 senses of pleasantly

Sense 1
pleasantly, cheerily, sunnily -- (in a cheerful manner; "`I'll do the dishes,' he said pleasantly")

Sense 2
pleasantly, agreeably, enjoyably -- (in an enjoyable manner; "we spent a pleasantly lazy afternoon")