extremity

noun

ex·​trem·​i·​ty ik-ˈstre-mə-tē 

plural extremities

1

a

: the farthest or most remote part, section, or point

the island's westernmost extremity

b

: a limb of the body

especially : a human hand or foot

2

a

: extreme danger or critical need

b

: a moment marked by imminent destruction or death

3

a

: an intense degree

… the extremity of his participation.

—Saturday Rev.

b

: the utmost degree (as of emotion or pain)

4

: a drastic or desperate act or measure

driven to extremities

Synonyms of extremity

• crisis
• head

Examples of extremity in a Sentence

The extremity of her grief is impossible to imagine.

made offers of aid to the refugees, and of asylum in extremity

Recent Examples on the Web

Mainstream media and online discussion around OnlyFans often veers into a moral panic, lamenting that the extremity of some creators’ work, in an age when outrage and engagement lead directly to revenue, may have a corrupting influence on audiences. —Katie Whyatt, New York Times, 5 Jan. 2026

Among the highlights of this stretch is lunch inside Gara Medouar, a crater-like rock formation just past the eastern extremity of the Anti-Atlas range. —Angus MacKenzie, Robb Report, 31 Dec. 2025

People with peripheral neuropathy may experience pins and needles sensations, such as tingling and prickling, in their extremities. —Laura Dorwart, Health, 22 Dec. 2025

Belying the heavy set of his frame, TR’s bodily extremities were by contrast a shade off—evident in elfin ears and tiny feet. —Literary Hub, 16 Dec. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1a

Kids Definition

extremity

noun

ex·​trem·​i·​ty ik-ˈstrem-ət-ē 

plural extremities

1

: the farthest limit, point, or part

2

: an end part of a limb of the body (as a hand or foot)

3

: an extreme degree (as of emotion or pain)

Medical Definition

extremity

noun

ex·​trem·​i·​ty ik-ˈstrem-ət-ē 

plural extremities

1

: the farthest or most remote part, section, or point

2

: a limb of the body

especially : a human hand or foot