from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Not based on or guided by reason; unreasonable.

from The Century Dictionary.

  • Not reasoned or argued; not due to reason or reasoning; not founded on reason; not thought out.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Not supported by reason; unreasonable.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Not reasoned; irrational.


Sorry, no etymologies found.


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