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.

Finally, after what have seemed like countless false starts, a deal has been agreed by the US and Iran.

From BBC • Jun. 15, 2026

The body uses them to create and repair tissues, produce enzymes, and support countless biological functions.

From Science Daily • Jun. 15, 2026

The position was easy enough — I’d done it countless times on dry land.

From Los Angeles Times • Jun. 15, 2026

It turned countless people into inconsiderate monsters, even in the most minute ways.

From Salon • Jun. 13, 2026

And countless other blossoms and spikes of herbs I can’t name.

From "I Can Make This Promise" by Christine Day

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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