Synonyms of countless

countless

adjective

ˈkau̇nt-ləs 

as in many

too many to be counted

I've told you countless times not to do that

Synonyms & Similar Words

• many
• numerous
• innumerable
• numberless
• untold
• uncountable
• uncounted
• myriad
• unnumbered
• innumerous
• beyond number
• infinite
• vast
• endless
• unlimited
• multitudinous

Antonyms & Near Antonyms

• enumerable
• countable
• limited
• numberable
• finite

Example Sentences

Recent Examples of countless

The closure of the Dome and ArcLight Cinemas in Hollywood has been painful for both locals and industry creatives, leaving countless baffled that powerbrokers in town have not found a way to open the doors again. — Pat Saperstein, Variety, 21 July 2026

There are countless activities for children and the whole clan to enjoy, from horse riding tours of the countryside to quad biking, cycling, tennis, and an aqua park tucked away from the main site. — Condé Nast, Condé Nast Traveler, 21 July 2026

Leadership programs, coaching, sponsorship, and mentoring have opened doors and changed countless careers. — Shelley Zalis, Forbes.com, 21 July 2026

Take it from two pros who have helped countless clients with their moves—this is what people always regret taking with them. — Quincy Bulin, Southern Living, 21 July 2026