Word.ws English Dictionary

Plural of twin

regular plural

The plural of twin is twins.

Forms of twin

Singulartwin /twɪn/
Pluraltwins /twɪnz/
Countablecountable

Twins in a sentence

  • The twins are coming over this afternoon.
  • Twinning today is abnormal in all higher primates, and possibly adaptive only in the one species with an obstetrical technology that permits a high rate of survival of twins.1992, George Christopher Williams, Natural Selection: Domains, Levels, and Challenges, Oxford University Press on Demand, →ISBN, page 79
  • Though they are not twins, my sister-in-law resembles my wife in almost every way.From the entry sister-in-law
  • When I met the twins, I thought I was seeing double.From the entry double
  • Twins are physically alike, that is, similar-looking people on the outside.From the entry alike

Meaning of twin

  1. noun Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling.
  2. noun Either of two similar or closely related objects, plans, institutions, people, etc.
  3. noun Either of two or more things, people, etc. that share a single feature.

Full definition of twin

Questions about the plural of twin

What is the plural of twin?
The plural of twin is twins.
Is twin countable?
Twin is a countable noun.

Source and license

Adapted from Wiktionary: twin (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated:

Cite this page: “Plural of twin.” Word.ws, https://word.ws/plural/twin. Based on Wiktionary, CC BY-SA 4.0.