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.

Anticipation was mounting ahead of the listing, as evidenced by countless news reports and swirling speculation last year.

From Barron's • Jun. 5, 2026

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

From Los Angeles Times • Jun. 5, 2026

Julien's Auctions said the sale includes "countless never-before-seen photographs and slides of the star as well as rare and hard-to-find images hidden for decades".

From BBC • Jun. 4, 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

For Danny and Glory and countless other kids, it was a dream they could escape to when their real world didn’t have room for them.

From "The Way to Rio Luna" by Zoraida Cordova

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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