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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

Explanation

When something is limitless, there's an unending amount or supply of it. If you truly believe there are limitless possibilities in life, you see no limit to what people can achieve. If the investor funding your business idea says she has limitless financial resources, that means the money will never run out. And if your friend promises limitless supplies of ice cream at her party, she's confident she won't run out. The ocean appears limitless — boundless in size — when you gaze at the horizon, and you may feel limitless amounts of love for the special people in your life. Limitless things have no limit, a word based in the Latin limitem, "boundary."

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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.

Fusion, the reaction that powers the sun, has long been considered the ultimate clean-energy prize: potentially limitless electricity without greenhouse gases or radioactive waste.

From The Wall Street Journal • Mar. 28, 2026

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

It is a basic reality that they do not have limitless numbers of top-quality players.

From BBC • Mar. 4, 2026

"Here," was all he could say, visions of limitless wealth and turnips beyond counting tumbling through his head.

From "Stardust" by Neil Gaiman