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.

Countless LinkedIn pages spout something about residing at the intersection of sport and fashion.

From Los Angeles Times • May 28, 2026

Countless investors bear the scars from mistiming the cycle.

From Barron's • Mar. 25, 2026

Countless financial advisers and asset managers are saying the S&P 500 is “excessively concentrated,” “presents elevated risks to investors,” “is broken” and is “not safe!”

From The Wall Street Journal • Feb. 13, 2026

Countless iconic performances, you've worked with every great director, you've won three Golden Globes and an Oscar, and the most impressive thing is you were able to accomplish all that before your girlfriend turned 30.

From BBC • Jan. 11, 2026

Countless servants rushed ahead, carrying ornamental lanterns and heaters.

From "When the Sea Turned to Silver" by Grace Lin

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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