un·der·arm
ˌən-dər-ˈärm 
un·der·arm
ˈən-dər-ˌärm
1
2
: the part of a garment that covers the underside of the arm
Examples of underarm in a Sentence
Adverb
He threw the ball underarm.
Recent Examples on the Web
Keren Landman, Vox, 20 May 2024
The seamless construction eliminates unsightly bulges and visible bra lines, while the underarm smoothing panels ensure a comfortable fit.
—Hannah Rice, Rolling Stone, 5 Oct. 2024
Samantha Berman, Outside Online, 29 Oct. 2024
But all is forgiven considering how awesome our underarms feel and smell, thanks to the range of tropical, fruity, and powdery fragrances—each featuring different ingredients like shea butter, vitamin C, and niacinamide.
—Allure, 26 Sep. 2024
See all Example Sentences for underarm 
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Adjective
Many of these ingredients also turn up in standalone deodorants intended for underarm application.
—Keren Landman, Vox, 20 May 2024
The seamless construction eliminates unsightly bulges and visible bra lines, while the underarm smoothing panels ensure a comfortable fit.
—Hannah Rice, Rolling Stone, 5 Oct. 2024
Noun
Flat seams and underarm and crotch gussets to enhance your comfort and range of movement, while the super stretchy waistband is low profile beneath ski pants.
—Samantha Berman, Outside Online, 29 Oct. 2024
But all is forgiven considering how awesome our underarms feel and smell, thanks to the range of tropical, fruity, and powdery fragrances—each featuring different ingredients like shea butter, vitamin C, and niacinamide.
—Allure, 26 Sep. 2024
See all Example Sentences for underarm
Dictionary Entries Near underarm
Cite this Entry
“Underarm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underarm. Accessed 13 Nov. 2024.
Copy CitationKids Definition
underarm
1 of 3 adjective
un·der·arm
ˌən-də-ˌrärm
1
: underhand entry 2 sense 2
an underarm toss
2
: placed under or on the underside of the arm
underarm seams
underarm
2 of 3 adverb
un·der·arm
ˌən-də-ˈrärm
: with an underarm motion
underarm
3 of 3 noun
un·der·arm
ˈən-də-ˌrärm
1
: armpit
2
: the part of a garment that covers the underside of the arm
Medical Definition
underarm
noun
un·der·arm
ˈən-dər-ˌärm
: armpit
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