UNAPPEASABLE Synonyms: 74 Similar and Opposite Words

unappeasable

adjective

ˌən-ə-ˈpē-zə-bəl

Definition of unappeasable

as in insatiable

incapable of being satisfied it turned out that the public's appetite for sadistic horror movies was not unappeasable after all

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in relentless

showing no signs of slackening or yielding in one's purpose warned that the nation was dealing with an unappeasable enemy

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of unappeasable Surely giving up the unappeasable hunger can’t be the answer. — Lily Meyer, The Atlantic, 26 Feb. 2026 This lesson may finally hit home on Friday, when the big-hearted Sun in your foundational fourth house clashes with unappeasable Saturn in your relationship realm. — The Astrotwins, ELLE, 13 Nov. 2022 In 2022, his compulsion to sing and pick his guitar and ramble the roads is undiminished and, evidently, unappeasable. — Jody Rosen, New York Times, 17 Aug. 2022 Such leaders are unappeasable because their goals can never be reached. — Walter Russell Mead, WSJ, 10 Mar. 2022 Activists will decry the shift as hippie-punching aimed at mollifying an unappeasable hard right, while moderates will blame the activists for continuing to tar the party's image with unpopular radical stances. — Noah Millman, The Week, 25 June 2021 This unappeasable hostility is a problem for Israel, for America, and for the Democratic Party. — Matthew Continetti, National Review, 22 May 2021

Recent Examples of Synonyms for unappeasable

Adjective

Businesses have insatiable demand for AI acceleration, and boards and CEOs are pushing aggressively for productivity improvements tied to these new capabilities.

— Drew Naukam, Forbes.com, 1 Oct. 2026
Radiation, heat and space traffic Google is just one of several companies that have proposed sending data centers to space as the race to produce ever more sophisticated machine learning has created an insatiable demand for computing power.

— Jackie Wattles, CNN Money, 1 Oct. 2026

Definition of insatiable

Adjective

The classic free-radical theory of aging, first proposed in the 1950s, held that aging itself resulted from the relentless buildup of ROS in our cells, decade after decade, and the wear and tear this caused.

— Rowan Jacobsen, Scientific American, 20 Oct. 2026
Since 2017, Dulgarian has grown TAGABOW from its placid, solo origins into one of the decade’s most influential and inventive shoegaze bands; the proof is in Lotto, their bold and relentless breakout LP from last year.

— Abby Jones, Pitchfork, 19 Oct. 2026

Definition of relentless

Adjective

Beloved returns as an unquenchable force demanding more and more nourishment and attention from Sethe.

— Literary Hub, Literary Hub, 13 Oct. 2026
The story follows the transformation of Adriana (Colin), a woman shattered by a terrible murder and who discovers the strength to start over, driven by an unquenchable thirst for justice.

— Rafa Sales Ross, Variety, 11 Oct. 2026

Definition of unquenchable

Adjective

These appointments focus on urgent relief, but appointments and follow-ups that take a more preventative approach to identify underlying causes are available, too.

— Helen Carefoot, Flow Space, 14 Oct. 2026
A week ago, a call between the US president and his Russian counterpart seemed to be about an urgent clarification over a possible outbreak of plague in Siberia.

— Nick Paton Walsh, CNN Money, 14 Oct. 2026

Definition of urgent

Adjective

But if Earth did somehow get supremely unlucky, and we were directly hit by a jet even a few thousand light-years away, our situation would be grim.

— Robin George Andrews, Scientific American, 20 Oct. 2026
The political environment appears increasingly favorable for Democrats and grim for Republicans, meaning districts once considered locks for the GOP are suddenly in play.

— Jamie Ross, Washington Post, 19 Oct. 2026

Definition of grim

Adjective

Kreiz is an avid kite surfer whose post-college job was as an instructor at a Club Med and is fond of recalling the story of delivering his baby daughter in the back of a car in front of Paddington Station in London.

— Mia Galuppo, HollywoodReporter, 12 Oct. 2026
Elon Musk, the world’s richest person, has long been an avid video game player.

— Preston Fore, Fortune, 11 Oct. 2026

Definition of avid

Adjective

The finance chiefs ended the meeting without a joint communique, underscoring persistent divisions among members over the Middle East conflict, trade imbalances, and Russia's war with Ukraine.

— Anniek Bao, CNBC, 16 Oct. 2026
When deployed in numbers, Archimedes units form a resilient defense grid, creating persistent protection for forces, facilities, and critical infrastructure.

— Prabhat Ranjan Mishra, Interesting Engineering, 16 Oct. 2026

Definition of persistent

Browse Nearby Words

unappealing

unappeasable

unappeased

See all Nearby Words

Cite this Entry

Style

“Unappeasable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unappeasable. Accessed 20 Oct. 2026.

Copy Citation

Synonyms of unappeasable

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

compunction

Popular in Grammar & Usage

'Affect' vs. 'Effect'

Merriam-Webster’s Great Big List of Words You Love to Hate

The Exceptions of '-s' and '-es' Plurals

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

Did 'orange' the fruit or the color come first?

Popular

'Affect' vs. 'Effect'

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

Games & Quizzes