Definitions

perpetual

[per-pech-oo-uhl] / pərˈpɛtʃ u əl /

ADJECTIVE

continual, lasting

Synonyms

STRONGEST

ceaseless constant continued continuous endless enduring eternal incessant infinite interminable never-ending perennial permanent persistent recurring unceasing unending

WEAK

abiding everlasting going on immortal imperishable intermittent never-ceasing perdurable recurrent reoccurring repeated repeating repetitious returning sempiternal unchanging undying unfailing uninterrupted unremitting without end

Antonyms

STRONGEST

bounded ceasing changeable changing completed discontinuous ending ephemeral finished finite halting intermittent interrupted irregular limited stopping temporary terminable transient

WEAK

brief fleeting momentary

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.

Perpetual futures, or “perps,” allow small investors high leverage, potentially drawing them from traditional exchange products like zero-day options.

From Barron's • Jun. 8, 2026

One key difference: Perpetual futures offer round-the-clock trading seven days a week and settlement at regular intervals.

From MarketWatch • May 29, 2026

Perpetual derivatives allow investors to take leveraged positions on an asset without fixed expiry.

From Barron's • Mar. 18, 2026

Find insight on Treasury yields, Perpetual, the Singapore Exchange and more in the latest Market Talks covering Financial Services.

From The Wall Street Journal • Mar. 16, 2026

The boys of our school and the Catholic boys from Our Lady of Perpetual Help throw them at one another, but we would not do that.

From "Cat's Eye" by Margaret Atwood

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