bikini
1 Americannoun
plural
bikinis-
a very brief, close-fitting, two-piece bathing suit for women or girls.
-
a very brief, close-fitting pair of bathing trunks for men or boys.
-
Often bikinis. underwear briefs that are fitted low on the hip or below it.
noun
noun
noun
Etymology
Origin of bikini
1945–50; < French, apparently named after Bikini
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I’m standing on a Connecticut beach in a bikini at 6:25 a.m. on a November morning.
From The Wall Street Journal • Nov. 7, 2025
The Era of No Rules came and went so quickly that Susan Collins couldn’t even make good on the bikini trial balloon.
From Slate • Sep. 30, 2023
“Pathaan” elicited such a response over its song “Besharam Rang,” which features his co-star Padukone in a saffron-colored bikini.
From Los Angeles Times • Sep. 21, 2023
Sen. Susan Collins, R-Maine, unwittingly insulted herself by threatening to wear a bikini.
From Salon • Sep. 21, 2023
When I wanted to wear a bikini to the beach, Mom was appalled by the concept.
From "How Dare the Sun Rise" by Sandra Uwiringiyimana
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.