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irrational

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irrationalˈræʃənəl/adjective
irrational
ˈræʃənəl/
adjective
Learner's definition of IRRATIONAL  
[more irrational; most irrational]
: not rational: such as
: not thinking clearly : not able to use reason or good judgment
   b  : not based on reason, good judgment, or clear thinking

— irrationality

/ɪˌræʃəˈnæləti/noun,[noncount]

— irrationally

ˈræʃənəli/adverb
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