ATTAINT Meaning of ATTAINT in English v.tr. 1. hist. subject to attainder. 2 a (of disease etc.) strike, affect. b taint. Etymology: ME f. obs. attaint (adj.) f. OF ataint, ateint past part. formed as ATTAIN: confused in meaning with TAINT Oxford English vocab. Оксфордский английский словарь. 2012