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Added 9 October 2026

infinity

/ɪnˈfɪnɪti/ noun

In Latin: īnfīnitās Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about infinity at Wordnik → Where our words come from →

Endlessness, unlimitedness, absence of a beginning, end or limits to size.
concept of infinity
A number that has an infinite numerical value that cannot be counted.
An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.

Origin

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.

From Wiktionary, via Kaikki.org (CC BY-SA)

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