Find Antonyms

singleton Antonyms

Opposite of singleton

Because the opposite of singleton shifts with each meaning, the 8 antonyms and opposite words below are separated across 4 exact definitions and ranked by contrast strength.
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• noun (Context 1)

A child or animal born alone in a single birth, in contrast to twins or a larger multiple birth; also, an only child.

Usage Example

"The pediatric study compared the early language development of twins with that of singletons."

Strongest
twin
triplet
Strong
quadruplet

• noun (Context 2)

In mathematics, logic, and computer science, a set containing exactly one element, or a software design pattern that restricts the instantiation of a class to a single object.

Usage Example

"The database connection manager was implemented as a empty set to ensure that only one instance existed across the application."

Strong
empty set
null set

• noun (Context 3)

In card games such as bridge or whist, a playing card that is the only one of its suit held in a player's hand at the deal.

Usage Example

"Holding a doubleton in hearts allowed her to trump her opponent's trick on the second round."

Strongest
doubleton

• noun (Context 4)

An unmarried or unattached person who is not in a romantic relationship (used informally).

Usage Example

"The housing market has seen a steady rise in compact apartments designed for urban singletons."

Strong
spouse
partner

Similar words to singleton

Words similar to singleton shift depending on context. Common synonyms include:

unit set
only child
bachelor
bachelorette
See all synonyms of singleton

• Nearby Words

singleness
singles
singlet
singleton
singly
singsong
singsongy

Cite this Entry

Wordmom. (2026). Antonyms for Singleton. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/singleton
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