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irrational

/ɪˈɹæʃ.(ə.)nəl/noun, adjective4 syllables

Irrational means: not consistent with or using reason.

Synonyms for irrational10

noun, as in a real number that cannot be expressed as a rational number

irrational number

adjective, as in not consistent with or using reason

blind, unreasoning, reasonless, nonrational, superstitious, illogical, unlogical, incoherent, unreasonable

Opposites of irrational

What does irrational mean?3

adjective

1

not consistent with or using reason“irrational fears”

2

real but not expressible as the quotient of two integers“irrational numbers”

noun

1

a real number that cannot be expressed as a rational number

Definitions from the Open English WordNet, CC BY 4.0.

What rhymes with irrational?5

three syllables

four syllables

transnational
Show 40 near rhymes

Irrational in a sentence

  • Clava loves all things irrational, and works at the kindergarten for precisely that reason.FeuDRenais2
  • Irrational numbers are not crazy; in short, they just can't be fractionized.marioo
  • This teacher has an irrational hate against me.OsoHombre
  • Nomophobia is the irrational fear of being without one's phone.Hybrid
  • Mark's behavior in the workplace is so irrational and destructive.Amastan
  • Bogyphobia is the irrational fear of the bogeyman.Adelpa
  • Any irrational number can be approximated by a rational number with arbitrarily large precision.Ooneykcall
  • The square root of any positive integer that isn't a perfect square is irrational.Ooneykcall

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

Forms of irrational

as a noun

plural
irrationals