different between irregular vs irrational
irregular
English
Etymology
Borrowed from Old French irreguler, from Medieval Latin or Late Latin irr?gul?ris, from in- + regularis, equivalent to ir- +? regular.
Pronunciation
- (General American) IPA(key): /?????j?l?/
Adjective
irregular (comparative more irregular, superlative most irregular)
- nonstandard; not conforming to rules or expectations
- (of a surface) rough
- without symmetry, regularity, or uniformity
- (geometry, of a polygon) not regular; having sides that are not equal or angles that are not equal
- (geometry, of a polyhedron) whose faces are not all regular polygons (or are not equally inclined to each other)
- (grammar, of a word) not following the regular or expected patterns of inflection in a given language
Synonyms
- (nonstandard): abnormal, singular; see also Thesaurus:strange
- (rough): coarse, salebrous; see also Thesaurus:rough
- (without uniformity): unstable, unsteady; see also Thesaurus:unsteady
- (not following the regular patterns of inflection): heteroclite
Antonyms
- regular
Derived terms
Translations
Noun
irregular (plural irregulars)
- A soldier who is not a member of an official military force and who may not use regular army tactics.
- One who does not regularly attend a venue.
Translations
Catalan
Etymology
Borrowed from Late Latin irr?gul?ris.
Pronunciation
- (Balearic, Central) IPA(key): /i.r?.?u?la/
- (Valencian) IPA(key): /i.re.?u?la?/
Adjective
irregular (masculine and feminine plural irregulars)
- irregular
- Antonym: regular
Derived terms
- irregularment
Related terms
- irregularitat
Further reading
- “irregular” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
- “irregular” in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana.
- “irregular” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
- “irregular” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.
Galician
Etymology
Borrowed from Late Latin irr?gul?ris.
Adjective
irregular m or f (plural irregulares)
- irregular
- Antonym: regular
Related terms
- irregularidade
Further reading
- “irregular” in Dicionario da Real Academia Galega, Royal Galician Academy.
Portuguese
Etymology
Borrowed from Late Latin irr?gul?ris.
Adjective
irregular m or f (plural irregulares, comparable)
- irregular; nonstandard
- (grammar) irregular (not following an inflectional paradigm)
Antonyms
- regular
Derived terms
- irregularmente
Related terms
- irregularidade
Further reading
- “irregular” in Dicionário Priberam da Língua Portuguesa.
Spanish
Etymology
Borrowed from Late Latin irr?gul?ris.
Pronunciation
- IPA(key): /ire?u?la?/, [i.re.??u?la?]
Adjective
irregular (plural irregulares)
- irregular, uneven, erratic, haphazard
- patchy, spotty, jagged, ragged
- fitful
- (grammar) (of a verb etc.) irregular
- Antonym: regular
Derived terms
- verbo irregular
Related terms
- irregularidad
- regular
Further reading
- “irregular” in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014.
irregular From the web:
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irrational
English
Etymology
From Latin irrati?n?lis, from ir- + rati?n?lis.
Pronunciation
- enPR: ?r?'sh(?)n?l, IPA(key): /???æ?.(?.)n?l/
Adjective
irrational (comparative more irrational, superlative most irrational)
- Not rational; unfounded or nonsensical.
- July 18, 2012, Scott Tobias, AV Club The Dark Knight Rises[1]
- 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.
- July 18, 2012, Scott Tobias, AV Club The Dark Knight Rises[1]
- (mathematics, arithmetic, number theory, not comparable) Of a real number, that cannot be written as the ratio of two integers.
- Antonym: rational
- Hyponym: transcendental
Derived terms
Translations
Noun
irrational (plural irrationals)
- A real number that can not be expressed as the quotient of two integers, an irrational number.
- 1946, Bertrand Russell, History of Western Philosophy, I.24:
- The square root of 2, which was the first irrational to be discovered, was known to the early Pythagoreans, and ingenious methods of approximating to its value were discovered.
- 1946, Bertrand Russell, History of Western Philosophy, I.24:
Translations
German
Alternative forms
- irrationell
Pronunciation
- IPA(key): /???at?si?ona?l/, /??at?si?o?na?l/
Adjective
irrational (comparative irrationaler, superlative am irrationalsten)
- irrational
Declension
irrational From the web:
- what irrational numbers
- what irrational mean
- what irrational number is closest to 4
- what irrational behavior
- what irrational or rational number
- what are 3 irrational numbers
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