noun

1mass noun The state, fact, quality, or condition of being singular.

he believed in the singularity of all cultures

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Synonyms

uniqueness, distinctiveness, difference, individuality, particularity

it is a singularity of the book that it contains such a wealth of illustrations

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Synonyms

idiosyncrasy, quirk, trait, foible, peculiarity, oddity, eccentricity, abnormality

2Mathematics Physics A point at which a function takes an infinite value, especially in spacetime when matter is infinitely dense, such as at the centre of a black hole.

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3usually the singularityA hypothetical moment in time when artificial intelligence and other technologies have become so advanced that humanity undergoes a dramatic and irreversible change.

maybe the singularity just happened, and we didn't notice

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Middle English: from Old French singularite, from late Latin singularitas, from singularis alone (of its kind) (see singular).

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singularity | Definition of singularity in English by Oxford ...