from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Inclined to tolerate the beliefs, practices, or traits of others; forbearing. See Synonyms at broad-minded.
  • adj. Able to withstand or endure an adverse environmental condition: plants tolerant of extreme heat.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. tending to permit, allow, understand, or accept something
  • adj. tending to withstand or survive

from the GNU version of the Collaborative International Dictionary of English

  • adj. Inclined to tolerate; favoring toleration; forbearing; indulgent.

from The Century Dictionary and Cyclopedia

  • Inclined or disposed to tolerate; favoring toleration; forbearing; enduring.
  • In medicine, able to receive or endure without effect, or without pernicious effect.
  • n. One who tolerates; especially, one who is free from bigotry; a tolerationist.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. showing respect for the rights or opinions or practices of others
  • adj. tolerant and forgiving under provocation
  • adj. able to tolerate environmental conditions or physiological stress
  • adj. showing or characterized by broad-mindedness
  • adj. showing the capacity for endurance


French tolérant, from Latin tolerāns, present participle of tolerāre, to bear; see tolerate.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French tolerant, from Latin tolerans, present participle of Latin tolerō ("endure"). (Wiktionary)


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