Antonyms of adv fortunately

1 sense of fortunately

Sense 1
fortunately, fortuitously, luckily, as luck would have it -- (by good fortune; "fortunately the weather was good")
       Antonym of unfortunately (Sense 1)
      => unfortunately, unluckily, regrettably, alas -- (by bad luck; "unfortunately it rained all day"; "alas, I cannot stay")

Synonyms of adv fortunately

1 sense of fortunately

Sense 1
fortunately, fortuitously, luckily, as luck would have it -- (by good fortune; "fortunately the weather was good")