immeasurable

adjective

im·​mea·​sur·​able (ˌ)i(m)-ˈme-zhə-rə-bəl 

-ˈmā-zhə-,

-zhər-bəl;

-ˈmezh-rə-,

-ˈmāzh-

: incapable of being measured

broadly : indefinitely extensive

immeasurableness noun

immeasurably

(ˌ)i(m)-ˈme-zhə-rə-blē 

-ˈmā-zhə-

-zhər-blē;

-ˈmezh-rə-

-ˈmāzh-

adverb

Synonyms

• infinite
• endless

Examples of immeasurable in a Sentence

The war has caused immeasurable damage.

The new medicine has brought about an immeasurable improvement in her life.

Recent Examples on the Web

By 1999, the nonprofit was renamed the Christopher Reeve Foundation to reflect their immeasurable efforts, according to the organization’s website. —Maddie Garfinkle, PEOPLE, 10 Oct. 2025

Nomo’s impact was immeasurable. —Jared Bahir Browsh, The Conversation, 2 Oct. 2025

The Humane World for Animals said Wednesday that Goodall’s influence on the animal protection community was immeasurable. —Arkansas Online, 1 Oct. 2025

And finally… Frustration at Sheffield United is rife; immeasurable, almost. —Phil Hay, New York Times, 1 Oct. 2025

Word History

First Known Use

14th century, in the meaning defined above

Rhymes for immeasurable

• babble
• babel
• dabble
• drabble
• gabble
• nabal
• rabble
• scrabble

Kids Definition

immeasurable

adjective

im·​mea·​sur·​able (ˌ)im-ˈ(m)ezh-(ə-)rə-bəl 

-ˈ(m)ezh-ər-bəl,

-ˈ(m)āzh-

: impossible to measure : vast, boundless

immeasurably

-blē 

adverb