singularity

noun

sin·​gu·​lar·​i·​ty ˌsiŋ-gyə-ˈler-ə-tē 

-ˈla-rə-

plural singularities

1

: something that is singular: such as

a

: a separate unit

b

: unusual or distinctive manner or behavior : peculiarity

2

: the quality or state of being singular

3

: a point at which the derivative of a given function of a complex variable does not exist but every neighborhood of which contains points for which the derivative does exist

4

: a point or region of infinite mass density at which space and time are infinitely distorted by gravitational forces and which is held to be the final state of matter falling into a black hole

Synonyms of singularity

• trick
• characteristic
• trait
• mannerism
• eccentricity
• peculiarity
• individualism
• idiosyncrasy
• quirk
• twist
• oddity
• curiosity
• habit

Examples of singularity in a Sentence

People could not understand the singularity of his imagination.

a college professor with singularities of dress and speech that have long endeared him to his students

Recent Examples on the Web

Haaland’s singularity was a testament to how humanity seeks heroes — but Spain’s ultimate triumph via crisp passes and selfless teamwork offered a stirring, convincing collective counterpoint. — Gustavo Arellano, Los Angeles Times, 20 July 2026

That region is the light-trapping outer boundary of the black hole known as the event horizon, which prevents us from ever seeing the singularity at the heart of the black hole or receiving information from it. — Robert Lea, Space.com, 16 July 2026

The post sparked much debate about whether a pause was possible given the financial incentives, whether RSI would finally produce some version of the AGI singularity or utopia, and whether RSI was even possible at all. — Arianna Huffington, Time, 29 June 2026

Expanding on the character designs, Hirota underlined the quirky looks and the singularity of his artistic direction, directly inspired by child’s play and faulty craft. — Kevin Giraud, Variety, 22 June 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for singularity

• angularity
• bipolarity
• capillarity
• cellularity
• circularity
• familiarity
• granularity
• insincerity
• insularity
• modularity
• osmolarity
• popularity

Kids Definition

singularity

noun

sin·​gu·​lar·​i·​ty ˌsiŋ-gyə-ˈlar-ət-ē 

plural singularities

1

: the quality or state of being singular

2

: something that is singular : peculiarity

3

: a point or region of infinite density which is held to be the final state of matter falling into a black hole