
1) Blind 2) Deprived of reason 3) Illogical 4) Incoherent 5) Lacking mental clarity 6) Nonrational 7) Not in accordance with reason 8) Not reasonable 9) Reasonless 10) Specious 11) Superstitious 12) Type of number 13) Unfounded 14) Unlogical 15) Unreasonable 16) Unreasoning 17) Unscientific 18) Unsound
Found on
https://www.crosswordclues.com/clue/irrational

1) Brutal 2) Credulous 3) Difficult 4) Distracted 5) Illogical 6) Incoherent 7) Insane 8) Intuitive 9) Nonrational 10) Obsessive 11) Pointless 12) Ridiculous 13) Stupid 14) Superstitious 15) Surd 16) Unlogical 17) Unreasonable 18) Unreasoning
Found on
https://www.crosswordclues.com/clue/irrational

• (a.) Not rational; void of reason or understanding; as, brutes are irrational animals. • (a.) Not according to reason; absurd; foolish. • (a.) Not capable of being exactly expressed by an integral number, or by a vulgar fraction; surd; -- said especially of roots. See Surd.
Found on
http://thinkexist.com/dictionary/meaning/irrational/

1. Not rational; void of reason or understanding; as, brutes are irrational animals. ... 2. Not according to reason; absurd; foolish. 'It seemed utterly irrational any longer to maintain it.' (I. Taylor) ... 3. <mathematics> Not capable of being exactly expressed by an integral number, or by a vulgar fraction; surd; said especially of roots. ...
Found on
http://www.encyclo.co.uk/local/20973
Ir·ra'tion·al adjective [ Latin
irrationalis : confer French
irrationnel . See
In- not, and
Rational .]
1. Not rational; void of reason or understanding; as, brutes are
irrational animals.
2. Not according to reason; absurd; foolish. « It s...
Found on
http://www.encyclo.co.uk/webster/I/97

Type: Term Pronunciation: i-rash′ŭn-ăl Definitions: 1. Not rational; unreasonable (contrary to reason) or unreasoning (not exercising reason).
Found on
http://www.medilexicon.com/medicaldictionary.php?t=45735

[
adj] - (math) real but not expressible as the quotient of two integers 2. [adj] - not consistent with or using reason
Found on
http://www.webdictionary.co.uk/definition.php?query=irrational

not usual - unique
Found on
https://sciencetrek.org/sciencetrek/topics/sleep/glossary.cfm

A decimal which is never ending. It must also not be a recurring decimal.
Found on
https://studymaths.co.uk/glossary.php
adjective real but not expressible as the quotient of two integers; `irrational numbers`
Found on
https://www.encyclo.co.uk/local/20974

without the faculty of reason; deprived of reason. · without or deprived of normal mental clarity or sound judgment. · not in accordance with reason; utterly illogical: irrational arguments. · not endowed with the faculty of reason: irrational animals. · · (of a number) not capable of being expressed exactly as a ratio...
Found on
https://www.infoplease.com/dictionary/irrational

A number that cannot be represented as a decimal or fraction. A number like pi is irrational because it contains an infinite number of digits that keep repeating. Many square roots are also irrational numbers.
Found on
https://www.thoughtco.com/glossary-of-mathematics-definitions-4070804
[SAT terms] not consistent with or using reason
Found on
https://www.vocabulary.com/lists/28864
No exact match found.