[ tol-er-uhns ]
/ ˈtɒl ər əns /
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

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Origin of tolerance

First recorded in 1375–1425; late Middle English word from Latin word tolerantia.See tolerant, -ance

synonym study for tolerance

1, 2. Tolerance , toleration agree in allowing the right of something that one does not approve. Tolerance suggests a liberal spirit toward the views and actions of others: tolerance toward religious minorities. Toleration implies the allowance or sufferance of conduct with which one is not in accord: toleration of graft.


non·tol·er·ance, nouno·ver·tol·er·ance, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for tolerance

British Dictionary definitions for tolerance

/ (ˈtɒlərəns) /


the state or quality of being tolerant
capacity to endure something, esp pain or hardship
the permitted variation in some measurement or other characteristic of an object or workpiece
physiol the capacity of an organism to endure the effects of a poison or other substance, esp after it has been taken over a prolonged period
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for tolerance

[ tŏlər-əns ]


Decreased responsiveness to a stimulus, especially over a period of continued exposure.
The capacity to absorb a drug continuously or in large doses without adverse effect; diminution in the response to a drug after prolonged use.
Physiological resistance to a poison.
Acceptance of a tissue graft or transplant without immunological rejection.
Unresponsiveness to an antigen that normally produces an immunological reaction.
The ability of an organism to resist or survive infection by a parasitic or pathogenic organism.

Other words from tolerance

toler•ant adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.