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Definitions

endless

[end-lis] / ˈɛnd lɪs /
ADJECTIVE
not stopping, not finishing
Synonyms
STRONGEST
boundless ceaseless constant continual continuous countless eternal incessant infinite interminable limitless monotonous never-ending perpetual unbroken unending unfathomable uninterrupted unlimited untold
WEAK
amaranthine deathless enduring everlasting illimitable immeasurable immortal incalculable indeterminate measureless multitudinous no end of no end to numberless overlong self-perpetuating unbounded undivided undying unsurpassable without end
Antonyms
STRONGEST
bounded brief broken calculable ceasing changeable changing completed countable discontinuous ending ephemeral finished finite fleeting halting inconstant infrequent intermittent interrupted irregular limited measurable occasional restricted stopping temporary terminable transient
WEAK
completing finishing passing

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.

When I ask about it, he stares out at the Thames for what feels like an endless stretch of silence.

From Los Angeles Times • Apr. 8, 2026

Lyrical saint Nick Cave was more caustic — notoriously so — when he shared how he felt about these boys of California’s endless summer.

From Salon • Apr. 4, 2026

That should mean no more "endless phone calls" where they try to persuade you to stay a little longer.

From BBC • Apr. 2, 2026

"Squids and cuttlefish have so many unique features compared to other animal groups, making them an endless source of inspiration for scientists," says Prof. Daniel Rokhsar, head of the Molecular Genetics Unit.

From Science Daily • Apr. 1, 2026

It was not only the depth and endless expanse of the water that terrified me.

From "Flying Through Water" by Mamle Wolo