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
Malia Griggs, Glamour, 5 Mar. 2025
Pay particular attention to the collar and underarm area, where buildup from deodorant and hair styling products is common.
—Jolie Kerr, Better Homes & Gardens, 25 Jan. 2025
Jessica MacDonald, Travel + Leisure, 6 Mar. 2025
These small, harmless growths often appear in areas where skin rubs against skin or clothing, such as the neck, underarms, and beneath the breasts.
—Matt Robison, Newsweek, 25 Feb. 2025
See All Example Sentences for underarm
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Adjective
The underarm area is high enough to prevent side boob or spillage.
—Malia Griggs, Glamour, 5 Mar. 2025
Pay particular attention to the collar and underarm area, where buildup from deodorant and hair styling products is common.
—Jolie Kerr, Better Homes & Gardens, 25 Jan. 2025
Noun
This prevents the likelihood of tightness around the shoulders, underarms, and torso.
—Jessica MacDonald, Travel + Leisure, 6 Mar. 2025
These small, harmless growths often appear in areas where skin rubs against skin or clothing, such as the neck, underarms, and beneath the breasts.
—Matt Robison, Newsweek, 25 Feb. 2025
See All Example Sentences for underarm
Cite this Entry
“Underarm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underarm. Accessed 22 Mar. 2025.
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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