Definitions

countless

[kount-lis] / ˈkaʊnt lɪs /

ADJECTIVE

innumerable

Synonyms

STRONGEST

endless myriad uncounted untold

WEAK

bags of gobs heap immeasurable incalculable infinite innumerous jillion legion limitless loads lots of many measureless mess mint mucho multitudinous numberless oodles passel of peck pile raft scads slew stack tidy sum umpteen uncountable wad whole slew zillion

Antonyms

STRONGEST

few limited

WEAK

calculable countable counted measurable numbered numerable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There are countless examples of falling prices in new technology driving profitable growth.

From Barron's • Jun. 8, 2026

For any player, transitioning from NPB to MLB requires countless adjustments, large and small.

From Los Angeles Times • Jun. 5, 2026

Black and Indigenous Americans, labor organizers, immigrants, queer people, political dissidents, abuse survivors, and countless others have discovered that rights celebrated in the abstract can evaporate when exercised against the wrong forces.

From Slate • Jun. 4, 2026

While rival fans may focus on his miss in Budapest, Arsenal supporters will remember the countless occasions he delivered for his side, including a dramatic 96th-minute winner against Newcastle United in September.

From BBC • May 30, 2026

And that has saved countless lives from the ravages of deadly infections.

From "Ambushed!" by Gail Jarrow

Vocabulary lists containing countless

Much Ado: Synonyms for "Many"

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Talk Like Shakespeare Day, List 6

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"Dogs at Work"

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