Antonyms of adv unhappily

1 of 2 senses of unhappily

Sense 1
unhappily -- (in an unpleasant way; "they were unhappily married")
       Antonym of happily (Sense 1)
      => happily, merrily, mirthfully, gayly, blithely, jubilantly -- (in a joyous manner; "they shouted happily")

Synonyms of adv unhappily

2 senses of unhappily

Sense 1
unhappily -- (in an unpleasant way; "they were unhappily married")

Sense 2
sadly, unhappily -- (in an unfortunate way; "sadly he died before he could see his grandchild")