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

In Fiduccia’s perceptive reading, binaries such as abstraction and likeness, form and formlessness, seriality and singularity, take on dialectical tension and interrelation. —Ara H. Merjian, ARTnews.com, 16 Apr. 2026

Song writes with an adept eye and ear, examining time and rendering the choral and communal, the singularity of human life. —Literary Hub, Literary Hub, 15 Apr. 2026

But from this outside view, observing the singularity inside the black hole is impossible. —Conor Feehly, Big Think, 10 Mar. 2026

Those outside of it appreciate the singularity of his collections—minimal, revealing, sharp—but have not yet become disciples. —José Criales-Unzueta, Vanity Fair, 7 Mar. 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