Skip to definition.
Get the FREE one-click dictionary software for Windows.
NEW iPhone Audio English dictionary


Adjective: irrational  i'ra-sh(u-)n(u)l
  1. Not consistent with or using reason
    "irrational fears"; "irrational animals"
     
  2. Real but not expressible as the quotient of two integers
    "irrational numbers"
Noun: irrational  i'ra-sh(u-)n(u)l
  1. A real number that cannot be expressed as a rational number
    - irrational number

Derived forms: irrationals

See also: blind, illogical, incoherent, irrationality, irrationally, nonrational, ratio, reasonless, superstitious, unlogical, unreasonable, unreasoning

Type of: real, real number

Antonym: rational

Encyclopedia: Irrational

Nearest

ironwork
ironworker
ironworks
irony
Iroquoian
Iroquoian language
Iroquois
Iroquois League
irradiate
irradiation
irrational
irrational hostility
irrational impulse
irrational motive
irrational number
irrationality
irrationally
Irrawaddy
Irrawaddy River
irreality
irreclaimable