plural bikinis
1
a
: a two-piece bathing suit worn by women that does not cover the midriff see also string bikini, tankini
b
: a short snug swimsuit worn by men
2
: a pair of low-cut briefs (see brief entry 2 sense 4)
Launched in May, the underwear brand for men and women includes bikinis, … G-strings and boxer briefs.—
Phyllis Furman
Phyllis Furman… ultra low-rise jeans with a built-in bikini or thong.—Sunday Tribune (South Africa)
—often used before another nounSunday Tribune (South Africa)Bikini briefs are usually lower than the true waist, often at the hips.—Clifford Pugh
Clifford PughExamples of bikini in a Sentence
Recent Examples on the Web
Andie Swim The Crete Bikini Shop Designed to support those with larger busts, this bikini top from Andie Swim’s summer collection has adjustable straps, removable soft cups, and compressive fabric to help lift and sculpt.
—Nicol Natale, People.com, 16 May 2025
Meanwhile, Burberry's official website lists women's bikini tops beginning at roughly $310.
—Soo Kim, MSNBC Newsweek, 10 May 2025
In the photos, Sims can be seen sporting a black bikini, with gold chains as part of the straps.
—Lori A Bashian, FOXNews.com, 3 May 2025
Tandon says the cream was effective at removing the coarse hair on her bikini line.
—Danielle Jackson, Glamour, 29 Apr. 2025
See All Example Sentences for bikini
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Nicol Natale, People.com, 16 May 2025
Meanwhile, Burberry's official website lists women's bikini tops beginning at roughly $310.
—Soo Kim, MSNBC Newsweek, 10 May 2025
In the photos, Sims can be seen sporting a black bikini, with gold chains as part of the straps.
—Lori A Bashian, FOXNews.com, 3 May 2025
Tandon says the cream was effective at removing the coarse hair on her bikini line.
—Danielle Jackson, Glamour, 29 Apr. 2025
See All Example Sentences for bikini
Cite this Entry
“Bikini.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bikini. Accessed 23 May. 2025.
Copy CitationKids Definition
bikini
noun
bi·ki·ni
bə-ˈkē-nē 
: a scanty two-piece bathing suit for a girl or woman
Etymology
from French bikini "two-piece bathing suit," from Bikini, atoll in the Marshall Islands
Geographical Definition
Bikini
geographical name
Bi·ki·ni
bi-ˈkē-nē
island (atoll) of the Marshall Islands
Note: Bikini was the site of U.S. atomic bomb tests in 1946 and hydrogen bomb tests in 1954 and 1956.
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