Meaning & use

underarm

adjective, noun·Everyday

Last updated

UK/ˈʌndərɑːm/
US/ˈʌndɚɑːrm/

Meanings

  1. adjectivebefore a nounsport

    Done with the arm moving upward from below the shoulder, as in a low throw or serve.

    Grammar: Used before a noun: an underarm serve.

    Patterns

    • an underarm throw/serve

    She gave the ball a gentle underarm throw.

    He won the point with an underarm serve.

    Bowling underarm is banned in most cricket matches.

  2. adjectivebefore a noun

    Located on or used for the body area beneath the arm.

    Grammar: Used before a noun: underarm hair.

    Patterns

    • underarm hair
    • underarm deodorant

    He applied underarm deodorant.

    The shirt had underarm stains.

    She shaves her underarm hair.

  3. nouncountable

    The hollow area under the arm where it meets the shoulder.

    Grammar: Often plural: both underarms.

    Patterns

    • wash your underarms

    Wash your underarms every day.

    Sweat soaked her underarms.

    He felt a pain in his left underarm.

Word forms

pluralunderarms

Common combinations

underarm throw
He made an underarm throw to first base.
underarm serve
The underarm serve surprised the opponent.
underarm bowling
Underarm bowling is rare in cricket.
underarm deodorant
She packed underarm deodorant.
underarm sweat
Underarm sweat marked his shirt.

Synonyms and how they differ

underhand
Underhand is the usual American word for the low-throw motion, while underarm is more British.
armpit
Armpit is the everyday word for the body area, plainer than underarm.
axilla
Axilla is the medical term for the armpit.

Opposites

overarmoverhand

Word family

overarm adjective
performed with the arm raised above the shoulder
underhand adjective
dishonest, or thrown from below the shoulder
arm noun
the limb from shoulder to hand

Commonly confused: underarm or underhand?

underarm vs underhand

Underhand also means sly and dishonest, which underarm never does.

Practice

To make a gentle toss to the toddler, she threw the ball ____.

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