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

First as a player, then a coach and finally a broadcaster, the now-90-year-old has been a mainstay in the collegiate ranks for more than 75 years and has had an immeasurable impact. —Ben Morse, CNN Money, 30 Aug. 2025

Harrison’s sudden passing is an immeasurable loss to our firm and to the legal community. —Pat Saperstein, Variety, 22 Aug. 2025

Even with the incredible recent advancements in organ perfusion, xenotransplantation, and increased awareness of living donor programs, there is immeasurable value in the gift of life being passed on once someone is deceased. —James F. Markmann, MSNBC Newsweek, 21 Aug. 2025

Looking back over the past 10 years, Powell said Firefly's growth is immeasurable — but not unbelievable. —Karoline Leonard, Austin American Statesman, 30 July 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