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Synonyms

limitless

American  
[lim-it-lis] / ˈlɪm ɪt lɪs /

adjective

  1. without limit; boundless.

    limitless ambition; limitless space.

    Synonyms:
    countless, unending, measureless, unbounded

Other Word Forms

  • limitlessly adverb
  • limitlessness noun

Etymology

Origin of limitless

First recorded in 1575–85; limit + -less

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.

The seemingly limitless proliferation of cases in which lawyers have been caught letting fictitious AI-generated legal citations contaminate their briefs continues to amaze.

From Los Angeles Times • Mar. 27, 2026

“Sometimes we operate thinking, ‘If I’m going to be there for them, that means limitless attention.’”

From MarketWatch • Mar. 19, 2026

However, there are signs the era of limitless spending might be over.

From BBC • Feb. 2, 2026

But it also might do something more important—send a message to portfolio companies that this huge shareholder doesn’t have limitless patience.

From The Wall Street Journal • Jan. 22, 2026

The word is out that the sky is not limitless; it is finite.

From "The Lives of a Cell" by Lewis Thomas