Antonyms of adv uselessly

1 sense of uselessly

Sense 1
uselessly -- (in a useless manner; "the furniture was sitting around uselessly")
       Antonym of usefully (Sense 1)
      => usefully -- (in a useful manner; "extra money could be usefully spent on this project")

Synonyms of adv uselessly

1 sense of uselessly

Sense 1
uselessly -- (in a useless manner; "the furniture was sitting around uselessly")