innumerable

adjective

in·​nu·​mer·​a·​ble i-ˈnü-mə-rə-bəl 

-ˈnyü-;

-ˈn(y)üm-rə-

: too many to be numbered : countless

also : very many

innumerably

i-ˈnü-mə-rə-blē 

-ˈnyü-;

-ˈn(y)üm-rə-

adverb

Synonyms of innumerable

• countless

Examples of innumerable in a Sentence

There are innumerable errors in the book.

our reasons to give thanks are as innumerable as the stars

Recent Examples on the Web

Yet, on TikTok, on Threads, and, presumably, in innumerable group texts, a contrarian consensus has flourished. — Jessica Winter, New Yorker, 22 Aug. 2026

Washington builds infrastructure for an inauguration every four years, fireworks every Fourth of July and innumerable street festivals — but never a racetrack. — Adam Kilgore, New York Times, 20 Aug. 2026

There are innumerable scenarios for which Washington needs to be prepared. — Elizabeth Sherwood-Randall, Foreign Affairs, 18 Aug. 2026

Like every other element on the periodic table, helium has innumerable applications, including some that are especially important to space and spaceflight. — Josh Dinner, Space.com, 18 Aug. 2026

Word History

Etymology

Middle English, from Anglo-French, from Latin innumerabilis, from in- + numerabilis numerable

First Known Use

14th century, in the meaning defined above

Rhymes for innumerable

• enumerable

Kids Definition

innumerable

adjective

in·​nu·​mer·​a·​ble in-ˈ(y)üm-(ə-)rə-bəl 

: too many to be numbered : countless

innumerable stars in the sky

innumerably

-blē 

adverb