adj

ceaseless

SEES-luhs

adj

Never stopping; going on constantly without a break.

"The ceaseless noise of traffic kept her awake all night."

"He worked with ceaseless energy to finish the project on time."

How to Use Ceaseless

Learner’s notes

In plain EnglishNon-stop; continuing without pause.

When to use it

A literary or formal word — everyday speech usually prefers "constant" or "non-stop."

Common pairings

ceaseless noise ceaseless effort ceaseless rain

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Can you complete this real example?

The _____ noise of traffic kept her awake all night.

From cease + the suffix -less ("without"), so literally "without stopping."

useless ageless wireless hopeless homeless tireless careless lifeless baseless clueless timeless loveless