Word.ws English Dictionary

infinity

/ɪnˈfɪnɪti/[ɪnˈfɪnɪɾi]

infinity noun: endlessness, unlimitedness, absence of a beginning, end or limits to size.

Noun

infinity (countable and uncountable, plural infinities)

  1. (uncountable) Endlessness, unlimitedness, absence of a beginning, end or limits to size.
    • concept of infinity
    • The desert stretched out toward the horizon as if into infinity.
  2. (countable) A number that has an infinite numerical value that cannot be counted.
    • Some of the most beautiful and thus appealing physical theories, including quantum electrodynamics and quantum gravity, have been dogged for decades by infinities that erupt when theorists try to prod their calculations into new domains. Getting rid of these nagging infinities has probably occupied...2012 January, Michael Riordan, “Tackling Infinity”, in American Scientist, volume 100, number 1, archived from the original on 30 Apr 2013, page 86
  3. (countable) An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.
  4. (uncountable) A number which is very large compared to some characteristic number. For example, in optics, an object which is much further away than the focal length of a lens is said to be "at infinity", as the distance of the image from the lens varies very little as the distance increases further.
  5. The symbol ∞.

infinity meaning in Hindi, Tamil, Marathi and Urdu

infinity in Hindi

endlessness, unlimitedness, absence of end or limit
अनंत anant

infinity in Tamil

endlessness, unlimitedness, absence of end or limit
முடிவிலி muṭivili
the symbol ∞
முடிவிலி muṭivili

infinity in Marathi

endlessness, unlimitedness, absence of end or limit
अनंत ananta

infinity in Urdu

دوام, منتہیٰ, نامحدودی, وسعت
More languagesFewer languages
infinity in Bengali
অসীম ośim
infinity in Telugu
అనంతము anantamu
infinity in Malayalam
അനന്തത anantata
infinity in Kannada
ಅನಂತ ananta
infinity in Punjabi
ਅਨੰਤਤਾ
infinity in Sanskrit
अदिति aditi
infinity in Assamese
অসীম oxim
infinity in Tagalog
awanggan
infinity in Malay
ketidakterhinggaan, infiniti
infinity in Indonesian
tak hingga, ananta, ketakberhinggaan
infinity in Thai
อนันต์ à-nan
infinity in Vietnamese
vô cực

Examples of infinity in a sentence

  • I have never been able to grasp the concept of infinity.
  • Smoothness can vary from 0 (for a nondifferentiable function) to infinity (for a smooth function).
  • The number of solutions to the Erdős–Straus equation increases polylogarithmically as n tends to infinity.

All 40 example sentences with infinity

Synonyms of infinity

Antonyms

All synonyms and antonyms of infinity

Forms of infinity

pluralinfinities

Plural of infinity: infinities

Origin of infinity

From Middle English infinite, from Old French infinité, from Latin īnfīnitās (“unlimitedness”), from negative prefix in- (“not”), + fīnis (“end”), + noun of state suffix -tās. By surface analysis, infinite + -ity.

Words formed from infinity

Phrases with infinity

Words that rhyme with infinity

Questions about infinity

What does infinity mean?
Infinity means endlessness, unlimitedness, absence of a beginning, end or limits to size.
What is infinity in Hindi?
Infinity in Hindi is अनंत (anant). See Infinity meaning in Hindi.
What part of speech is infinity?
Infinity is a noun.
How do you pronounce infinity?
Infinity is pronounced /ɪnˈfɪnɪti/.
What is the plural of infinity?
The plural of infinity is infinities.

Words near infinity in the dictionary

  1. infinitly
  2. infinito
  3. infinitude
  4. infinitudes
  5. infinituple
  6. infinity
  7. infinity box
  8. infinity boxes
  9. infinity pool
  10. infinity pools
  11. infinity scarf

Source and license

Adapted from Wiktionary: infinity (page history and authors); infinity (Urdu Wiktionary) (page history and authors); అనంతము (Telugu) (page history and authors); infinity (Punjabi, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-infinity.wav, LL-Q1860 (eng)-Wodencafe-infinity.wav.

Cite this entry: “infinity.” Word.ws, https://word.ws/infinity. Based on Wiktionary, CC BY-SA 4.0.