Bible Dictionaries
Irrational

Webster's Dictionary

(1):

(a.) Not rational; void of reason or understanding; as, brutes are irrational animals.

(2):

(a.) Not according to reason; absurd; foolish.

(3):

(a.) Not capable of being exactly expressed by an integral number, or by a vulgar fraction; surd; - said especially of roots. See Surd.

Bibliography Information
Webster, Noah. Entry for 'Irrational'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​i/irrational.html. 1828.