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REFERENCE

infinity

n. uncountable
B2 Upper Intermediate US //ˌɪnˈfɪnɪti// UK //ɪnfˈɪnɪti// in·fin·i·ty

n. a number or amount that is so large it never ends. You use it to describe something that goes on forever in time or space.

n. the state or quality of being boundless or limitless in space, time, or quantity. In mathematical contexts, it represents a value greater than any assignable quantity or number.


SIMPLE

The stars seemed to stretch into infinity.

CONTEXTUAL

The professor explained that some sets of numbers are larger than others, even though both reach toward infinity.

COMPLEX

Philosophers and mathematicians have long debated whether infinity is a physical reality of our universe or merely a conceptual tool used to solve complex equations.

Synonyms
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.

Usage

Often used with the preposition 'to' ('to infinity') or as the object of 'into'.

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