informal + impolite, of clothing
: not covering the buttocks
… chaps are, by definition, assless. Look at a cowboy. From behind.—Benjamin Dreyer
She's wearing a translucent black dress; when she turns around, she reveals that the outfit is completely backless and also assless.—Julyssa Lopez

Examples of assless in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But no one was sporting assless chaps in our suite. — John Seabrook, New Yorker, 1 Dec. 2025 The model and actress wore a gorgeous beige corset with assless chaps. — Aamina Inayat Khan, StyleCaster, 14 Apr. 2025 Leigh Bowery, the fashion icon and transgressive performance artist, designed several costumes (assless slacks; sparkly bondage suits) for Atlas’s video pieces and often appeared on-screen as a kind of spiritual hype man. — Beatrice Loayza, ARTnews.com, 6 Feb. 2025 Some of Bey’s Cowboy Carter looks have included assless chaps. — Kathleen Walsh, Glamour, 26 June 2024 In 2019, Lizzo's VMA set featured a giant inflatable peachy posterior while her backup dancers bent over in an array of assless chaps. — Leah Dolan, CNN, 3 May 2023 Newsom chose to mark the state’s reopening on the same spot where Rose McGowan walked the VMA red carpet in an assless dress. — Bethy Squires, Vulture, 16 June 2021

Word History

Etymology

ass entry 2 + -less

First Known Use

1984, in the meaning defined above

Time Traveler
The first known use of assless was in 1984

Cite this Entry

“Assless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/assless. Accessed 7 Oct. 2026.

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