被动免疫 bèidòngmiǎnyì passive immunity Origin Definitions Defs Strokes Stroke Words Sentences Sents 被动 被動 bèidòng adjective passive passive; reacting to external forces or pressure rather than taking initiative; opposite of 主动 zhǔdòng免疫 miǎnyì adjectivenoun immunity Biological resistance to a specific disease, pathogen, or toxin; to be immune