countless

[kount-lis]

adjective

1. too numerous to count; innumerable.

   the countless stars.

   Synonyms: unlimited, myriad, endless, numberless

countless

/ ˈkaʊntlɪs /

adjective

1. innumerable; myriad

Other Word Forms

• countlessly adverb

Word History and Origins

Origin of countless¹

First recorded in 1580–90; count ¹ + -less

Example Sentences

During the Second World War, countless Polish artefacts, including historical archives and works of art, were looted by Nazi Germany.

Read more on Barron's

To narrow down what seemed like countless possibilities when we were deciding, here are the steps we went through to go from clueless to confident.

Read more on MarketWatch

The pandemic and lockdowns upended countless aspects of the way many of us perform our jobs, including what we should wear while doing so.

Read more on The Wall Street Journal

The couple recall good times, too, as they supported Liam's passion for dance, watching him at countless competitions.

Read more on BBC

The trip dispatches and countless photos and videos I sent my family—none a train enthusiast—inspired one of them to give it a try.

Read more on The Wall Street Journal

Related Words

• endless 
• myriad 
• uncounted 
• untold