underarm

[ uhn-der-ahrm ]

adjective

1. of, situated, or for use under the arm or in the armpit:

   an underarm deodorant.

2. underhand:

   an underarm pitch in softball.

noun

1. armpit.

adverb

1. underhand.

underarm

/ ˈʌndərˌɑːm /

adjective

1. (of a measurement) extending along the arm from wrist to armpit
2. sport of or denoting a style of throwing, bowling, or serving in which the hand is swung below shoulder level
3. below the arm

adverb

1. in an underarm style

Word History and Origins

Origin of underarm¹

First recorded in 1810–20; under- + arm ¹

Example Sentences

Padel balls are smaller than those used in tennis and players serve underarm.

From BBC

But like most injectable procedures, this one requires upkeep, and with each round of underarm injections costing up to $1,000, the price really adds up.

From Slate

MiraDry targets and eliminates underarm sweat glands, and it outperforms “even the strongest antiperspirants and alternative treatments,” according to the Bucky Body Center, with a promised sweat reduction of approximately 82 percent.

From Slate

Maybe it’s a puberty thing, like acne and underarm hair.

From Literature

Nadal edged a run of three straight breaks and saw out victory by taking his second match point, showing his delight with trademark underarm fist pump.

From BBC