UNCHECKED Synonyms: 30 Similar and Opposite Words

unchecked

adjective

ˌən-ˈchekt

Definition of unchecked

as in rampant

showing no signs of being under control unchecked corruption in the state's prison system

Synonyms & Similar Words

Relevance

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 unchecked For this historic election, however, unchecked violent crime, home demolitions, chronic underfunding in their communities, West Bank unrest, and the war in Gaza are all motivating Arab voters. — Ilan Ben Zion, Christian Science Monitor, 21 Oct. 2026 Meanwhile, there are AI safety researchers who fear that portraying such incidents as easily remedied security failures gives political cover to those who want AI development to proceed unchecked. — Harry Booth, Time, 20 Oct. 2026 The debate intensified after Anthropic researcher Jacob Coxon resigned in September, publicly warning about the dangers of unchecked AI development. — Ella Chakarian, Los Angeles Times, 20 Oct. 2026 Beauty brands have so much money, and a lot of these CPG brands have scaled so fast—it's just been unchecked. — Khushbu Shah, Bon Appetit Magazine, 19 Oct. 2026 See All Example Sentences for unchecked

Recent Examples of Synonyms for unchecked

Adjective

In fact, the recent regulations from the Treasury Department do little to hide the exclusion and theft rampant in the program.

— Denise Forte, Baltimore Sun, 21 Oct. 2026
At the same time, Sanaa sympathized with the police, who were far outnumbered by vandals, many of them young men from France’s poorest suburbs, where youth unemployment is rampant.

— Michael Finnegan, Los Angeles Times, 19 Oct. 2026

Definition of rampant

Adjective

But, in terms of returning to the field in an uncontrolled environment, Dan Lanning mentioned that he can not be cleared by the Ducks medical team for a return to live action.

— Trey Wallace OutKick, FOXNews.com, 27 Oct. 2026
The American Society of Anesthesiologists notes that uncontrolled postoperative pain can contribute to immobility and shallow breathing, which may increase the risk for complications including blood clots and pneumonia.

— Emily Cegielski, Flow Space, 26 Oct. 2026

Definition of uncontrolled

Browse Nearby Words

unchastity

unchecked

unchic

See all Nearby Words

Cite this Entry

Style

“Unchecked.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unchecked. Accessed 28 Oct. 2026.

Copy Citation

Synonyms of unchecked

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

grotesque

Popular in Grammar & Usage

How to Use 'Who' vs. 'Whom'

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

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'

'Za' and 9 Other Words to Help You Win at SCRABBLE

Popular

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes