ODAalso: オーディーエーFreq.FrequencyTop 50,000Meanings1nounOfficial Development Assistance; ODAGovernment-led aid for developing countries; often used in policy and news contexts.See also: 政府開発援助日本にほんはODAを通つうじて途と上じょう国こくを支し援えんしている。Japan supports developing countries through ODA.