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

The highs and lows from the season — both on the field and off — are captured in a new documentary that follows the community shaken by immeasurable tragedy, and how baseball becomes refuge, providing a space for unbridled joy, unrelenting grit and, perhaps most important, hope. —Los Angeles Times, 13 May 2026

Not to mention the immeasurable opportunity to connect directly with people from everywhere. —Kansas City Star, 9 May 2026

Beyond the courtroom, Abghari’s family and friends say the loss has been immeasurable. —Stepheny Price, FOXNews.com, 8 May 2026

During their lifetimes, Wolfgang Amadeus Mozart and Antonio Salieri were reportedly regular collaborators with a healthy mutual respect for each other’s immeasurable musical talents. —Jon O'Brien, IndieWire, 8 May 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