Subject to attainder; condemned to death or outlawry, hence stripped of one's titles, hereditary rights, or possessions. / (now rare) Tainted, corrupted.

simple past tense and past participle of attaint

present participle of attaint

(archaic) To subject to attainder; to condemn (someone) to death and extinction of all civil rights. / (archaic) To subject to calumny; to accuse of a crime or dishonour.

(archaic) A blow or strike, especially in jousting. / A wound on the leg of a horse caused by a blow

(obsolete) Convicted, attainted. / (obsolete) Attainted; corrupted.

Third-person singular simple present indicative form of attaint

attainder; attainture; conviction

plural of attaintment