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
The 2025 spring swim collection features a mix of push-up and triangular bikini tops, high-waisted and hipster bottoms, as well as zip-up and scoop-neck one-piece suits, among others.
—Maya Gandara, StyleCaster, 5 Mar. 2025
The video also features bearded men in bikini tops.
—Ross Rosenfeld, Newsweek, 26 Feb. 2025
Starring Drew Barrymore, Lucy Liu and Cameron Diaz, this movie had it all – action, adventure and a bikini scene so memorable that Moore and Barrymore revisited on the latter’s talkshow last year.
—Dan Heching, CNN, 26 Feb. 2025
In the photo, the couple both sported sunglasses as Brown pulled her long brunette locks off her face and pouted for the camera while wearing a red bikini top.
—Kirsty Hatcher, People.com, 20 Feb. 2025
See All Example Sentences for bikini
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Maya Gandara, StyleCaster, 5 Mar. 2025
The video also features bearded men in bikini tops.
—Ross Rosenfeld, Newsweek, 26 Feb. 2025
Starring Drew Barrymore, Lucy Liu and Cameron Diaz, this movie had it all – action, adventure and a bikini scene so memorable that Moore and Barrymore revisited on the latter’s talkshow last year.
—Dan Heching, CNN, 26 Feb. 2025
In the photo, the couple both sported sunglasses as Brown pulled her long brunette locks off her face and pouted for the camera while wearing a red bikini top.
—Kirsty Hatcher, People.com, 20 Feb. 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 12 Mar. 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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