singlet

noun

sin·​glet ˈsiŋ-glət 

1

[from its having only one thickness of cloth] chiefly British : an athletic jersey

also : undershirt

2

: an atom or molecule that has no net electronic magnetic moment

also : an excited state of an atom or molecule that is a singlet

Examples of singlet in a Sentence

Recent Examples on the Web

This shared amateur background, combined with their use of in-ring singlets, has not been ignored by WWE fans. —Andrew Ravens‎, MSNBC Newsweek, 23 Oct. 2025

Personalized Make eye contact, and if possible, use names or other personal info like a team name on a singlet. —Alex Hutchinson, Outside, 15 Oct. 2025

For example, she was spotted dancing on her own in a singlet at a Charli XCX concert in New York five months ago. —Martha Ross, Mercury News, 2 Oct. 2025

The El Jefe Running Group designs a singlet to wear during each year’s race. —Mary Divine, Twin Cities, 1 Oct. 2025

Word History

First Known Use

circa 1746, in the meaning defined at sense 1

Kids Definition

singlet

noun

sin·​glet ˈsiŋ-glət 

chiefly British

: undershirt