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.

Studying dense crowds is difficult because individuals can take countless possible paths and interact in unpredictable ways, Liu explained.

From Science Daily • Apr. 15, 2026

For humans to find and exploit a bug like this would typically require countless hours of research.

From The Wall Street Journal • Apr. 14, 2026

All of these things, along with countless more, are worth it — the extra minutes they take, the care, the discernment, the near-constant monitoring.

From Salon • Apr. 13, 2026

Diaz, who moves countless pallets of product, jokes he was born at the factory, having spent almost his entire adult life working for the company.

From Los Angeles Times • Apr. 12, 2026

Nowadays, of course, “alma mater” is what people call the place where they went to school and, one hopes, were fed countless yummy bites of knowledge from a vast and scrumptious buffet of education.

From "The Unseen Guest" by Maryrose Wood

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