bi·​ki·​ni bə-ˈkē-nē How to pronounce bikini (audio)
plural bikinis
: a two-piece bathing suit worn by women that does not cover the midriff see also string bikini, tankini
: a short snug swimsuit worn by men
: 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
… ultra low-rise jeans with a built-in bikini or thong.Sunday Tribune (South Africa)
often used before another noun
Bikini briefs are usually lower than the true waist, often at the hips.Clifford Pugh
bikinied adjective
or less commonly bikini'd

Examples of bikini in a Sentence

Recent Examples on the Web Camila Cabello, Ally Brooke, Lauren Jauregui and Dinah Jane all voiced their support for the R&B star and her solo endeavors by leaving sweet comments on her Instagram post of the Dopamine album artwork, which features the singer atop a black rocketship in a leather bikini. Sadie Bell, Peoplemag, 26 Feb. 2024 My personal favorite from the brand is this double scoop bikini top, which is so supportive for any activity. Olivia Young, Travel + Leisure, 25 Feb. 2024 Amazon has plenty of options, including bikini sets, cheeky bikini bottoms, and supportive underwire tops that promise to keep you looking and feeling your best. Andrea Navarro, Glamour, 14 Feb. 2024 The 24-year-old shared the news by posting images of herself posing in a white crop top and bikini bottoms. Elizabeth Ayoola, Essence, 13 Feb. 2024 For Sunday’s game, Claire Kittle went for a metallic look, donning silver slacks, jacket and a bikini top. Martha Ross, The Mercury News, 11 Feb. 2024 Continue reading here… FOOD FIGHT - ‘Hot in Cleveland’ star lashes out at ‘diet culture’ after sharing ‘overweight’ bikini pic. Fox News Staff, Fox News, 10 Feb. 2024 With female servers in bikini tops making their way around the room and dancers doing their thing before and after the screening, the evening did feel like stepping into the world of the film. Mark Olsen, Los Angeles Times, 9 Feb. 2024 In the throwback photos, Kardashian posed in a red bikini and cream robe, while other snaps showed the duo, who tied the knot in 2022, spending time together in a hot tub. Becca Longmire, Peoplemag, 14 Feb. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bikini.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


French, from Bikini, atoll of the Marshall Islands

First Known Use

1947, in the meaning defined at sense 1a

Time Traveler
The first known use of bikini was in 1947

Dictionary Entries Near bikini

Cite this Entry

“Bikini.” Dictionary, Merriam-Webster, Accessed 5 Mar. 2024.

Kids Definition


bi·​ki·​ni bə-ˈkē-nē How to pronounce bikini (audio)
: a scanty two-piece bathing suit for a girl or woman

from French bikini "two-piece bathing suit," from Bikini, atoll in the Marshall Islands

Geographical Definition


geographical name

Bi·​ki·​ni bi-ˈkē-nē How to pronounce Bikini (audio)
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.

Bikinian noun

More from Merriam-Webster on bikini

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