DETERIORATE Synonyms: 128 Similar and Opposite Words

deteriorate

verb

di-ˈtir-ē-ə-ˌrāt

Definition of deteriorate

as in to worsen

to become worse or of less value the garden slowly deteriorated after months of neglect

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in to degrade

to lower in character, dignity, or quality childish name-calling that merely deteriorates what should be a serious discussion on an important issue

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 deteriorate Despite his alleged deteriorating health, King Charles has shown resilience by continuing to work and make public appearances. — Allison Degrushe, StyleCaster, 16 Oct. 2026 An object left in the way inside an apartment, damage caused by a resident, and a deteriorating common walkway are very different. — Emma Clapp, Miami Herald, 16 Oct. 2026 Leaders need a coverage model, clear performance expectations and agreement about what cannot deteriorate when hours decline. — Joe Manok, Forbes.com, 16 Oct. 2026 Protesters want the government to address schools that have been considered under-resourced, as well as deteriorating facilities and teacher shortages. — Chantz Martin Outkick, FOXNews.com, 15 Oct. 2026 See All Example Sentences for deteriorate

Recent Examples of Synonyms for deteriorate

Verb

The 20 countries at greatest risk of a worsening humanitarian crisis, ranked by the International Rescue Committee (IRC) annually in our Emergency Watchlist, represent just 12% of the global population, but 90% of those in humanitarian need.

— David Miliband, Time, 19 Oct. 2026
Both have become tools for wealthy families seeking easier travel or a fallback if political and economic conditions worsen at home.

— Mia Osmonbekov, Fortune, 18 Oct. 2026

Definition of worsen

Verb

At rates faster than the cap, the internet degrades and is no longer usable.

— Jennifer Jacobs, CBS News, 21 Oct. 2026
Living with neck and back pain from stress, tension, poor posture and other causes can seriously degrade your quality of life, but Therabody's latest innovation can help.

— ABC News, ABC News, 20 Oct. 2026

Definition of degrade

Verb

As ocean levels rise, waves crash farther inland and the coast continues to crumble, Southern California is on track to lose 30 to 70% of its beaches over the next several decades.

— Blanca Begert, Los Angeles Times, 20 Oct. 2026
Jarman pointed out, rightly, that in the 1630s, the walls wouldn’t have been crumbling at all.

— Sarah Shachat, IndieWire, 19 Oct. 2026

Definition of crumble

Verb

But while those will provide short-term relief, the currency is expected to weaken toward the end of the year and mid-2027, and a 100 rupee-per-dollar mark could not be ruled out, strategists said.

— Priyanka Salve, CNBC, 16 Oct. 2026
However, following his arrest, the owner, Mohammad Khan, blamed this week's rains for weakening one of the roofs, according to police, who said the investigation was still underway.

— Arkansas Online, Arkansas Online, 16 Oct. 2026

Definition of weaken

Verb

Central bank holdings at the New York Fed declined 40 tonnes in August, Goldman added, while holdings at the Bank of England rose 46 tonnes.

— Eleanor Pringle, Fortune, 22 Oct. 2026
For this story, however, the district declined to comment due to Ortiz’s lawsuit, which is ongoing.

— Theo Peck-Suzuki, Hartford Courant, 22 Oct. 2026

Definition of decline

Verb

The original 1971 experiment was conducted by psychology professor Philip Zimbardo, who arbitrarily split volunteers into two groups—inmates and guards—and observed how power corrupted them.

— K. Thor Jensen, PC Magazine, 16 Oct. 2026
Rousseau argued that societies were happiest before agriculture and metal production corrupted them.

— Saar Shahar, The Conversation, 12 Oct. 2026

Definition of corrupt

Verb

National reporters, big GOP donors and the president himself have descended on Kansas as Republicans seek to stave off Hamilton’s challenge.

— Kacen Bayless, Kansas City Star, 22 Oct. 2026
While descending, deputies said the climber ran into trouble after following an erroneous GPS route that led him onto the Whitney Glacier.

— Tim Fang, CBS News, 22 Oct. 2026

Definition of descend

Browse Nearby Words

deterging

deteriorate

deteriorated

See all Nearby Words

Cite this Entry

Style

“Deteriorate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deteriorate. Accessed 24 Oct. 2026.

Copy Citation

Synonyms of deteriorate

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

puissant

Popular in Grammar & Usage

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

'Can' vs. 'May'

'Affect' vs. 'Effect'

More Commonly Mispronounced Words

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

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

The Words of the Week - Oct. 23

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

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

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes