Antonyms of adv unhelpfully

1 sense of unhelpfully

Sense 1
unhelpfully -- (in an unhelpful manner; "he stood by unhelpfully while the house burned down")
       Antonym of helpfully (Sense 1)
      => helpfully -- (in a helpful manner; "the subtitles are helpfully conveyed")

Synonyms of adv unhelpfully

1 sense of unhelpfully

Sense 1
unhelpfully -- (in an unhelpful manner; "he stood by unhelpfully while the house burned down")