INDEFEASIBLE Synonyms: 55 Similar and Opposite Words

indefeasible

adjective

Definition of indefeasible

as in indestructible

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Recent Examples of Synonyms for indefeasible

Adjective

And then there’s the indestructible, indefatigable Rolling Stones.

— Marc Ballon, Los Angeles Times, 10 July 2026
Lately, Klassen has brought those anthropomorphic gifts to board books, those indestructible literary objects that are larger than a cellphone and smaller than a tablet and far better than either for your child’s attention span, mood, and gums.

— Casey Cep, New Yorker, 7 July 2026

Definition of indestructible

Adjective

The shelves display the library’s permanent collection, which is co-curated by Service95 and bookshop staff and hails from around the globe.

— Sophia Nguyen, The Atlantic, 18 July 2026
When drowning occurs, every minute without oxygen increases the risk of permanent brain injury or death.

— Katia Hetter, CNN Money, 18 July 2026

Definition of permanent

Adjective

Hope sprung eternal not on opening night but on July 1, when every fan could believe their GM was preparing to make a splash.

— Jacob Feldman, Sportico.com, 8 July 2026
Joel Higgins played Ricky’s father, a successful entrepreneur and eternal child who’s finally forced to grow up and accept responsibility upon his estranged son’s return.

— Declan Gallagher, Entertainment Weekly, 7 July 2026

Definition of eternal

Adjective

There is the deathless debate around the compatibility — or otherwise — of winning and entertaining.

— The Athletic Staff, New York Times, 15 Feb. 2026
Brides finds Sally Bishop (Cooke) and her husband on a trip to Northern Italy in 1961, where they get stranded at a remote villa run by the enigmatic Vova (Lawtey), who presides over a household of beautiful, deathless women (Turner-Smith, Prettejohn) and their caretaker (Gorman).

— Matt Grobar, Deadline, 23 Oct. 2025

Definition of deathless

Adjective

Our collective bond, which once felt imperishable, began to decompose without the movable feasts that had sustained and renewed it.

— Thomas Chatterton Williams, The Atlantic, 11 July 2026
Between July 2, 1935, and February 10, 1942, Holiday, backed by Teddy Wilson and his band, logged twenty-one studio sessions, yielding around seventy imperishable songs.

— Nick Bowlin, Harper's Magazine, 24 Mar. 2024

Definition of imperishable

Adjective

The immortal being who’d called himself a god just moments prior regresses into his stuttering, childhood self.

— Hannah Giorgis Yohannes, Vanity Fair, 13 July 2026
Not all foods endure—ortolan, aspic, candy cigarettes—but the pickle may be as close to immortal as a snack can get.

— Emma Allen, New Yorker, 13 July 2026

Definition of immortal

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“Indefeasible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefeasible. Accessed 20 Jul. 2026.

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Synonyms of indefeasible

adjective

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