Antonyms of adv multilaterally

1 sense of multilaterally

Sense 1
multilaterally -- (in a multilateral manner;so as to affect many parties or governments; "they worked out an agreement unilaterally")
       Antonym of unilaterally (Sense 1)
      => unilaterally, one-sidedly -- (in a unilateral manner; by means of one part or party; "they worked out an agreement unilaterally")

Synonyms of adv multilaterally

1 sense of multilaterally

Sense 1
multilaterally -- (in a multilateral manner;so as to affect many parties or governments; "they worked out an agreement unilaterally")