say it: muhl-ti-LAT-ur-uh-lee
multilaterally is an adverb meaning "in a multilateral manner;so as to affect many parties or governments". It carries one recorded sense.
in a multilateral manner;so as to affect many parties or governments
“they worked out an agreement unilaterally”
Definitions, synonyms and semantic relations for multilaterally come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.