Searching for synonyms for countless? Here’s some similar words from our thesaurus you can use instead.

• “countless hours“
• “an infinite number of reasons“
• “innumerable difficulties“
• “the multitudinous seas“
• “myriad stars“

Synonyms

• infinite the unlimited expanse in which everything is located; having no limits or boundaries in time or space or extent or magnitude; (of verbs) not having tense, person, or number (as a participle or gerund or infinitive); too numerous to be counted; total and all-embracing
• innumerable too numerous to be counted
• innumerous too numerous to be counted
• multitudinous too numerous to be counted
• myriad too numerous to be counted; a large indefinite number; the cardinal number that is the product of ten and one thousand
• numberless too numerous to be counted
• uncounted too numerous to be counted
• unnumberable too numerous to be counted
• unnumbered too numerous to be counted
• unnumerable too numerous to be counted