Antonyms of adv ineffectively

1 sense of ineffectively

Sense 1
inefficaciously, ineffectively -- (in an ineffective manner; "he dealt with the problem rather ineffectively")
       Antonym of effectively (Sense 1)
      => efficaciously, effectively -- (in an effective manner; "these are real problems that can be dealt with most effectively by rational discussion")

Synonyms of adv ineffectively

1 sense of ineffectively

Sense 1
inefficaciously, ineffectively -- (in an ineffective manner; "he dealt with the problem rather ineffectively")