Antonyms of adv ineffectually

1 sense of ineffectually

Sense 1
ineffectually -- (in an ineffectual manner; "she tried ineffectually to light the primus, and Thomas came to help her")
       Antonym of effectually (Sense 1)
      => effectually -- (in an effectual manner; "Bismarck was constantly criticised by the more liberal newspapers, and he retaliated by passing an emergency decree that effectually muzzled the press")

Synonyms of adv ineffectually

1 sense of ineffectually

Sense 1
ineffectually -- (in an ineffectual manner; "she tried ineffectually to light the primus, and Thomas came to help her")