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

Balmain’s sister, Suellen Simpson, previously spoke about how her disappearance had caused immeasurable grief to the family over the past three decades. — Gina Kalsi, PEOPLE, 31 July 2026

During their conversation, all three stressed that moving their bodies had an immeasurable impact on their mental and physical health during the most daunting stages of recovery. — Emily Tannenbaum, Glamour, 31 July 2026

Canepa’s move from Como’s lakeside throng to this hillside retreat has brought immeasurable pleasures. — Nielsen Dinwoodie, Forbes.com, 20 July 2026

Happily for them, Jude Bellingham and Harry Kane struck on 62 and 67 minutes respectively for three points and immeasurable relief. — Liam Tharme, New York Times, 30 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