Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun oni

1 sense of oni

Sense 1
Office of Naval Intelligence, ONI -- (the military intelligence agency that provides for the intelligence and counterintelligence and investigative and security requirements of the United States Navy)
       => agency, federal agency, government agency, bureau, office, authority -- (an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority")