noun · 6 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ɪnˈfɪnɪti/
General-American:[ɪnˈfɪnɪɾi]
Southern-England:Recorded audio is listed in the source snapshot.
US:Recorded audio is listed in the source snapshot.
rhymes with -ɪnɪti
CMU ARPABET:IH2 N F IH1 N IH0 T IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
endlessness, unlimitedness, absence of a beginning, end or limits to size.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Examples
concept of infinity
The desert stretched out toward the horizon as if into infinity.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A number that has an infinite numerical value that cannot be counted.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: mul:∞
Antonyms: none provided
3
noun
Meaning 3
An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
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.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
The symbol ∞.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
time without end
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: eternity
Antonyms: none provided
Broader terms: time
Narrower terms: alpha and omega
History
Etymology
From Middle English infinite, from Old French infinité, from Latin īnfīnitās (“unlimitedness”), from negative prefix in- (“not”), + fīnis (“end”), + noun of state suffix -tās.
Across languages
Translations
115 source translations are retained for this English entry.
Afrikaans:
oneindigheid
— endlessness, unlimitedness, absence of end or limit
Albanian:
pafundësi
— endlessness, unlimitedness, absence of end or limit
Armenian:
անսահմանություն
(ansahmanutʻyun)
— endlessness, unlimitedness, absence of end or limit
Assamese:
অসীম
(oxim)
— endlessness, unlimitedness, absence of end or limit
Basque:
infinitu
— endlessness, unlimitedness, absence of end or limit
Bengali:
অসীম
(ośim)
— endlessness, unlimitedness, absence of end or limit
Bulgarian:
безкрайност
(bezkrajnost)
— endlessness, unlimitedness, absence of end or limit
Catalan:
infinitat
— endlessness, unlimitedness, absence of end or limit
Chinese Mandarin:
無限 /无限
(wúxiàn)
— endlessness, unlimitedness, absence of end or limit
Czech:
nekonečno
— endlessness, unlimitedness, absence of end or limit
Danish:
uendelighed
— endlessness, unlimitedness, absence of end or limit
Dutch:
oneindigheid
— endlessness, unlimitedness, absence of end or limit
Esperanto:
senfineco
— endlessness, unlimitedness, absence of end or limit
Estonian:
lõpmatus
— endlessness, unlimitedness, absence of end or limit
Finnish:
äärettömyys
— endlessness, unlimitedness, absence of end or limit
Finnish:
loputtomuus
— endlessness, unlimitedness, absence of end or limit
Finnish:
rajattomuus
— endlessness, unlimitedness, absence of end or limit
French:
infinité
— endlessness, unlimitedness, absence of end or limit
Georgian:
უსასრულობა
(usasruloba)
— endlessness, unlimitedness, absence of end or limit
German:
Unendlichkeit
— endlessness, unlimitedness, absence of end or limit
Hebrew:
אֵינְסוֹף
(einsóf)
— endlessness, unlimitedness, absence of end or limit
Hindi:
अनंत
(anant)
— endlessness, unlimitedness, absence of end or limit
Hungarian:
végtelenség
— endlessness, unlimitedness, absence of end or limit
Icelandic:
óendanleiki
— endlessness, unlimitedness, absence of end or limit
Ilocano:
awan inggana
— endlessness, unlimitedness, absence of end or limit
Indonesian:
tak hingga
— endlessness, unlimitedness, absence of end or limit
Indonesian:
ananta
— endlessness, unlimitedness, absence of end or limit
Indonesian:
ketakberhinggaan
— endlessness, unlimitedness, absence of end or limit
Irish:
éigríoch
— endlessness, unlimitedness, absence of end or limit
Japanese:
無限
(mugen)
— endlessness, unlimitedness, absence of end or limit
Kannada:
ಅನಂತ
(ananta)
— endlessness, unlimitedness, absence of end or limit
Korean:
무한
(muhan)
— endlessness, unlimitedness, absence of end or limit
Northern Kurdish:
bêdawî
— endlessness, unlimitedness, absence of end or limit
Latin:
īnfīnitās
— endlessness, unlimitedness, absence of end or limit
Latvian:
bezgalība
— endlessness, unlimitedness, absence of end or limit
Lithuanian:
begalybė
— endlessness, unlimitedness, absence of end or limit
Malagasy:
tsiefa
— endlessness, unlimitedness, absence of end or limit
Malay:
ketidakterhinggaan
— endlessness, unlimitedness, absence of end or limit
Malay:
infiniti
— endlessness, unlimitedness, absence of end or limit
Malayalam:
അനന്തത
(anantata)
— endlessness, unlimitedness, absence of end or limit
Manx:
neuyerinaght
— endlessness, unlimitedness, absence of end or limit
Marathi:
अनंत
(ananta)
— endlessness, unlimitedness, absence of end or limit
Mongolian:
хязгааргүй
(xjazgaargüj)
— endlessness, unlimitedness, absence of end or limit
Old English:
unġeendodlīcnes
— endlessness, unlimitedness, absence of end or limit
Polish:
nieskończoność
— endlessness, unlimitedness, absence of end or limit
Polish:
bezbrzeże
— endlessness, unlimitedness, absence of end or limit
Portuguese:
infinito
— endlessness, unlimitedness, absence of end or limit
Portuguese:
infinidade
— endlessness, unlimitedness, absence of end or limit
Romanian:
infinitate
— endlessness, unlimitedness, absence of end or limit
Russian:
бесконе́чность
(beskonéčnostʹ)
— endlessness, unlimitedness, absence of end or limit
Russian:
безграни́чность
(bezgraníčnostʹ)
— endlessness, unlimitedness, absence of end or limit
Northern Sami:
agálašvuohta
— endlessness, unlimitedness, absence of end or limit
Sanskrit:
अदिति
(aditi)
— endlessness, unlimitedness, absence of end or limit
Serbo-Croatian:
бесконачност
— endlessness, unlimitedness, absence of end or limit
Serbo-Croatian:
бескрајност
— endlessness, unlimitedness, absence of end or limit
Serbo-Croatian:
beskonačnost
— endlessness, unlimitedness, absence of end or limit
Serbo-Croatian:
beskrajnost
— endlessness, unlimitedness, absence of end or limit
Spanish:
infinidad
— endlessness, unlimitedness, absence of end or limit
Swedish:
oändlighet
— endlessness, unlimitedness, absence of end or limit
Swedish:
ändlöshet
— endlessness, unlimitedness, absence of end or limit
Tagalog:
awanggan
— endlessness, unlimitedness, absence of end or limit
Tamil:
முடிவிலி
(muṭivili)
— endlessness, unlimitedness, absence of end or limit
Thai:
อนันต์
(à-nan)
— endlessness, unlimitedness, absence of end or limit
Turkish:
sonsuzluk
— endlessness, unlimitedness, absence of end or limit
Uzbek:
cheksizlik
— endlessness, unlimitedness, absence of end or limit
Vietnamese:
vô cực
— endlessness, unlimitedness, absence of end or limit
Welsh:
anfeidredd
— endlessness, unlimitedness, absence of end or limit
Bulgarian:
безкрайност
(bezkrajnost)
— a number that has an infinite, uncountable numerical value
Catalan:
infinitat
— a number that has an infinite, uncountable numerical value
Esperanto:
infinito
— a number that has an infinite, uncountable numerical value
Finnish:
ääretön
— a number that has an infinite, uncountable numerical value
French:
infinité
— a number that has an infinite, uncountable numerical value
Greek:
άπειρο
(ápeiro)
— a number that has an infinite, uncountable numerical value
Hungarian:
végtelen
— a number that has an infinite, uncountable numerical value
Irish:
éigríoch
— a number that has an infinite, uncountable numerical value
Japanese:
無限大
(mugendai)
— a number that has an infinite, uncountable numerical value
Korean:
무한대
(muhandae)
— a number that has an infinite, uncountable numerical value
Malay:
ketidakterhinggaan
— a number that has an infinite, uncountable numerical value
Malay:
infiniti
— a number that has an infinite, uncountable numerical value
Portuguese:
infinito
— a number that has an infinite, uncountable numerical value
Romanian:
infinit
— a number that has an infinite, uncountable numerical value
Russian:
бесконе́чность
(beskonéčnostʹ)
— a number that has an infinite, uncountable numerical value
Serbo-Croatian:
bȅskonačnōst
— a number that has an infinite, uncountable numerical value
Spanish:
infinito
— a number that has an infinite, uncountable numerical value
Swedish:
oändlighet
— a number that has an infinite, uncountable numerical value
Tagalog:
awanggan
— a number that has an infinite, uncountable numerical value
Turkish:
sonsuz
— a number that has an infinite, uncountable numerical value
Finnish:
ääretön
— a number which is very large compared to some characteristic number
French:
infini
— a number which is very large compared to some characteristic number
Portuguese:
infinito
— a number which is very large compared to some characteristic number
Romanian:
infinit
— a number which is very large compared to some characteristic number
Romanian:
nesfârșit
— a number which is very large compared to some characteristic number
Russian:
бесконе́чность
(beskonéčnostʹ)
— a number which is very large compared to some characteristic number
Serbo-Croatian:
bȅskonačnōst
— a number which is very large compared to some characteristic number
Spanish:
infinidad
— a number which is very large compared to some characteristic number
Swedish:
oändlighet
— a number which is very large compared to some characteristic number
Turkish:
sonsuz
— a number which is very large compared to some characteristic number
Bulgarian:
безкрайност
(bezkrajnost)
— the symbol ∞
Finnish:
ääretön
— the symbol ∞
French:
infini
— the symbol ∞
German:
Unendlichkeit
— the symbol ∞
Malay:
ketidakterhinggaan
— the symbol ∞
Malay:
infiniti
— the symbol ∞
Polish:
nieskończoność
— the symbol ∞
Polish:
symbol nieskończoności
— the symbol ∞
Polish:
lemniskata
— the symbol ∞
Portuguese:
infinito
— the symbol ∞
Romanian:
infinit
— the symbol ∞
Russian:
бесконе́чность
(beskonéčnostʹ)
— the symbol ∞