- inclined or disposed to tolerate; showing tolerance; forbearing: tolerant of errors.
- favoring toleration: a tolerant church.
- Medicine/Medical, Immunology.
- able to endure or resist the action of a drug, poison, etc.
- lacking or exhibiting low levels of immune response to a normally immunogenic substance.
- able to tolerate the beliefs, actions, opinions, etc, of others
- able to withstand extremes, as of heat and cold
- med (of a patient) exhibiting tolerance to a drug
1784, from Latin tolerantia “endurance,” from tolerans, present participle of tolerare “to bear, endure, tolerate” (see toleration). Related: Tolerantly.