Single
Single adjective - Not married.
Twin
Twin adjective - Consisting of two members or parts that are usually joined.
Usage example: a twin-cylinder engine
Both words in one sentence
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USS Omaha, the sole member of the Omaha-class light scout cruiser in-game as of the end of 2015, does not have her assortment of single and twin 6-inch guns.
Source: Video Game / Warship Girls -
Single-Minded Twins: Averted, the twin maids Ram and Rem look and speak very similar.
Source: Light Novel / Re:Zero -
In Linburger, Firne are a single person in two identical twin bodies that change their sex organs with the phases of the moon (but always have boobs).
Source: Single-Minded Twins
Cite this Source
Twin and Single. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/single/twin
Single & Twin. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/single/twin>.
Twin or Single. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/single/twin.
Google Ngram Viewer shows how "single" and "twin" have occurred on timeline