immeasurable

adjective

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

-ˈmā-zhə-, 

-zhər-bəl;

-ˈmezh-rə-, 

-ˈmāzh-

: incapable of being measured

Their new grandchild brought them immeasurable joy.

broadly : indefinitely extensive

immeasurableness noun

immeasurably

(ˌ)i(m)-ˈme-zhə-rə-blē 

-ˈmā-zhə-, 

-zhər-blē;

-ˈmezh-rə-, 

-ˈmāzh-

adverb

Synonyms of immeasurable

• 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

That's the real legacy of COVID; those most responsible for the immeasurable harm refusing to take accountability for it. — Ian Miller Outkick, FOXNews.com, 22 June 2026

His loss to the television comedy world is immeasurable. — Glenn Garner, Deadline, 19 June 2026

Despite the immeasurable impact of Juneteenth, many people don't begin celebrating it until later on in life, which often reflects a failing of American education and the rejection of critical race theory. — Danielle Broadway, Parents, 19 June 2026

Unlike eating enough protein or seeing how hydration affects your skin, gut health is an important, yet somewhat immeasurable, key to human health. — Melissa Kravitz Hoeffner, Martha Stewart, 6 June 2026

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