Taint, v. t. [F. teint, p. p. of teindre to dye, tinge, fr. L. tingere, tinctum. See Tinge, and cf. Tint.] 1. To imbue or impregnate with something extraneous, especially with something odious, noxious, or poisonous; hence, to corrupt; to infect; to poison; as, putrid substance taint the air.
2. Fig.: To stain; to sully; to tarnish.
His unkindness may defeat my life,
But never taint my love. Shak.
Syn. — To contaminate; defile; pollute; corrupt; infect; disease; vitiate; poison.