Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
ĭră'sh(ə)nəl
Play
/ɪˈɹæʃ.(ə.)nəl/
Play
Southern-England:
Recorded audio is listed in the source snapshot.
Play
rhymes with -æʃənəl
Play
CMU ARPABET:
IH2 R AE1 SH AH0 N AH0 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
Play
Not rational; unfounded, nonsensical or wrong-headed.
Definition source: English Wiktionary via Wiktextract
Examples
an irrational decision July 18, 2012, Scott Tobias, AV Club The Dark Knight Riseshttp://www.avclub.com/articles/the-dark-knight-rises-review-batman,82624/ Where the Joker preys on our fears of random, irrational acts of terror, Bane has an all-consuming, dictatorial agenda that’s more stable and permanent, a New World Order that’s been planned out with the precision of a military coup.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Of a real number, that cannot be written as the ratio of two integers.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: arithmetic, mathematics, number-theory, sciences
Examples
The number π is irrational.
Meaning relationships
Synonyms: none provided
Antonyms: rational
A real number that can not be expressed as the quotient of two integers, an irrational number.
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
not consistent with or using reason
Definition source: Princeton WordNet 3.0
Examples
irrational fears irrational animals
Meaning relationships
Synonyms: none provided
Antonyms: rational
real but not expressible as the quotient of two integers
Definition source: Princeton WordNet 3.0
Meaning relationships
Synonyms: none provided
Antonyms: rational
a real number that cannot be expressed as a rational number
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: irrational number
Antonyms: none provided
Broader terms: real number, real
Narrower terms: transcendental number, algebraic number
From Latin irratiōnālis, from ir- + ratiōnālis.
Across languages
Translations
90 source translations are retained for this English entry.
Armenian :
իռացիոնալ
(iṙacʻional)
— unfounded or nonsensical
Asturian :
irracional
— unfounded or nonsensical
Bulgarian :
неразумен
(nerazumen)
— unfounded or nonsensical
Bulgarian :
безразсъден
(bezrazsǎden)
— unfounded or nonsensical
Catalan :
bèstia
— unfounded or nonsensical
Catalan :
irracional
— unfounded or nonsensical
Chinese Mandarin :
不合理
(bùhélǐ)
— unfounded or nonsensical
Danish :
irrationel
— unfounded or nonsensical
Dutch :
irrationeel
— unfounded or nonsensical
Dutch :
irrationele
— unfounded or nonsensical
Dutch :
onzinnig
— unfounded or nonsensical
Dutch :
onzinnige
— unfounded or nonsensical
Dutch :
onredelijk
— unfounded or nonsensical
Dutch :
onredelijke
— unfounded or nonsensical
Esperanto :
malracia
— unfounded or nonsensical
Finnish :
epälooginen
— unfounded or nonsensical
Finnish :
irrationaalinen
— unfounded or nonsensical
French :
irrationnel
— unfounded or nonsensical
Galician :
irracional
— unfounded or nonsensical
German :
irrational
— unfounded or nonsensical
German :
irrationell
— unfounded or nonsensical
German :
unvernünftig
— unfounded or nonsensical
Ancient Greek :
ἄλογος
(álogos)
— unfounded or nonsensical
Hungarian :
észszerűtlen
— unfounded or nonsensical
Hungarian :
irracionális
— unfounded or nonsensical
Irish :
aingiallta
— unfounded or nonsensical
Italian :
irrazionale
— unfounded or nonsensical
Japanese :
不合理な
(fugōri na)
— unfounded or nonsensical
Japanese :
無理な
(muri na)
— unfounded or nonsensical
Japanese :
理不尽な
(rifujin na)
— unfounded or nonsensical
Japanese :
ばかげた
(bakageta)
— unfounded or nonsensical
Japanese :
筋違いな
(sujichigai na)
— unfounded or nonsensical
Korean :
불합리한
(bulhamnihan)
— unfounded or nonsensical
Macedonian :
нера́зумен
(nerázumen)
— unfounded or nonsensical
Macedonian :
безра́суден
(bezrásuden)
— unfounded or nonsensical
Manx :
neuresoonagh
— unfounded or nonsensical
Māori :
heahea
— unfounded or nonsensical
Norwegian Bokmål :
irrasjonell
— unfounded or nonsensical
Norwegian Nynorsk :
irrasjonell
— unfounded or nonsensical
Plautdietsch :
onveninftich
— unfounded or nonsensical
Polish :
nieracjonalny
— unfounded or nonsensical
Polish :
irracjonalny
— unfounded or nonsensical
Portuguese :
irracional
— unfounded or nonsensical
Romanian :
irațional
— unfounded or nonsensical
Romanian :
nerațional
— unfounded or nonsensical
Russian :
нерациона́льный
(neracionálʹnyj)
— unfounded or nonsensical
Russian :
иррациона́льный
(irracionálʹnyj)
— unfounded or nonsensical
Serbo-Croatian :
и̏рациона̄лан
— unfounded or nonsensical
Serbo-Croatian :
не̏разӯман
— unfounded or nonsensical
Serbo-Croatian :
ȉracionālan
— unfounded or nonsensical
Serbo-Croatian :
nȅrazūman
— unfounded or nonsensical
Spanish :
irracional
— unfounded or nonsensical
Swedish :
irrationell
— unfounded or nonsensical
Tagalog :
atbang
— unfounded or nonsensical
Tagalog :
maatbang
— unfounded or nonsensical
Telugu :
అసంబద్ధము
(asambaddhamu)
— unfounded or nonsensical
Vietnamese :
bất hợp lý
— unfounded or nonsensical
Armenian :
իռացիոնալ
(iṙacʻional)
— mathematics: of a number
Bulgarian :
ирационален
(iracionalen)
— mathematics: of a number
Catalan :
irracional
— mathematics: of a number
Chinese Mandarin :
無理數 /无理数
(wúlǐshù)
— mathematics: of a number
Czech :
iracionální
— mathematics: of a number
Danish :
irrational
— mathematics: of a number
Dutch :
irrationaal
— mathematics: of a number
Dutch :
irrationale
— mathematics: of a number
Esperanto :
neracionala
— mathematics: of a number
Finnish :
irrationaalinen
— mathematics: of a number
French :
irrationnel
— mathematics: of a number
German :
irrational
— mathematics: of a number
Greek :
άρρητος
(árritos)
— mathematics: of a number
Ancient Greek :
ἄρρητος
(árrhētos)
— mathematics: of a number
Hindi :
अपरिमेय
(aprimey)
— mathematics: of a number
Hungarian :
irracionális
— mathematics: of a number
Icelandic :
óræður
— mathematics: of a number
Japanese :
無理数
(murisū)
— mathematics: of a number
Korean :
무리수
(murisu)
— mathematics: of a number
Māori :
kewha
— mathematics: of a number
Norwegian Bokmål :
irrasjonal
— mathematics: of a number
Norwegian Nynorsk :
irrasjonal
— mathematics: of a number
Polish :
niewymierny
— mathematics: of a number
Portuguese :
irracional
— mathematics: of a number
Russian :
иррациона́льный
(irracionálʹnyj)
— mathematics: of a number
Swedish :
irrationell
— mathematics: of a number
Tagalog :
ditagwayin
— mathematics: of a number
Vietnamese :
số vô tỉ
— mathematics: of a number
Bulgarian :
ирационално число
(iracionalno čislo)
— irrational number
Icelandic :
óræð tala
— irrational number
Korean :
무리수
(murisu)
— irrational number
Polish :
liczba niewymierna
— irrational number
Tagalog :
bilang na ditagwayin
— irrational number