Pronunciation: (tol'ur-unt), [key]
1. inclined or disposed to tolerate; showing tolerance; forbearing: tolerant of errors.
2. favoring toleration: a tolerant church.
3. Med., Immunol.
a. able to endure or resist the action of a drug, poison, etc.
b. lacking or exhibiting low levels of immune response to a normally immunogenic substance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.