unacceptable

adjective

ˌən-ik-ˈsep-tə-bəl How to pronounce unacceptable (audio)
Definition of unacceptablenext
as in wrong
falling short of a standard this work is entirely unacceptable

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 unacceptable Still, only 28% of readers said that AI use is unacceptable in all of the circumstances presented by the survey. — Cameron Pugh, Christian Science Monitor, 12 Aug. 2026 Intervene Intervene means several signals—or one sufficiently consequential event—indicate probable deterioration or unacceptable outcomes. — Gerald J. Leonard, Forbes.com, 10 Aug. 2026 The plan is to then gradually introduce louder sounds, Coen added, to discover the level at which a sonic boom noise goes from being acceptable to unacceptable. — Jacopo Prisco, CNN Money, 6 Aug. 2026 Given the national security stakes, the prospect of foreign governments being able to suspend access to critical models at a whim started to feel like an unacceptable risk. — Beatrice Nolan, Fortune, 5 Aug. 2026 See All Example Sentences for unacceptable
Recent Examples of Synonyms for unacceptable
  1. wrong
  2. poor
  3. lame
  4. bad
  5. horrible
  6. terrible
  7. deficient
  8. awful
Adjective
  • There’s nothing wrong with holding on to childhood and being a little immature from time to time.
    — Loren Savini, Allure, 22 Aug. 2026
  • Cleveland Police said a Volkswagen Passat carrying five members of the public was traveling the wrong way down the A66 highway near Middlesbrough and collided with a police vehicle on the same road going in the right direction.
    — ABC News, ABC News, 22 Aug. 2026
Definition of wrong
Adjective
  • The petition argues Mays’ language during the trial revealed something deeper than a poor defense strategy — a worldview that dehumanized the man he was supposed to defend.
    — Alaa Elassar, CNN Money, 25 Aug. 2026
  • There remains work to be done, as evidenced by their poor showing in last Thursday’s 41-17 preseason loss to the San Francisco 49ers.
    — Elliott Teaford, Oc Register, 24 Aug. 2026
Definition of poor
Adjective
  • But between now, November and the lame-duck period, there’s still time to pass legislation before election results shake things up.
    — Washington Post Opinions, Washington Post, 19 Aug. 2026
  • Payton seemed awfully pleased with himself for his lame dad joke.
    — Michael Cunningham, AJC.com, 17 Aug. 2026
Definition of lame
Adjective
  • Neighbors said the rotten-egg smell has gotten worse over the last couple of weeks, even trailing to apartments across the street.
    — Nicole Comstock, CBS News, 21 Aug. 2026
  • For Panama, the result is a wet season that’s already been drier than usual and is likely to get worse.
    — Hira Humayun, CNN Money, 21 Aug. 2026
Definition of bad
Adjective
  • As horrible news stories go, few could compare with what happened on a Greek holiday island Monday.
    — The Editorial Board, Chicago Tribune, 20 Aug. 2026
  • Los Angeles Mayor Karen Bass’ terrible, horrible, no good, very bad reelection campaign just got worse after Wednesday night’s debate in Sherman Oaks.
    — Gustavo Arellano, Los Angeles Times, 20 Aug. 2026
Definition of horrible
Adjective
  • That is not saying that her kids are terrible, lazy, ugly, addicted to TikTok, or caught shoplifting at Brandy Melville.
    — Brian Moylan, Vulture, 19 Aug. 2026
  • The arena isn’t terrible but is below average by NHL standards.
    — Josh Yohe, New York Times, 19 Aug. 2026
Definition of terrible
Adjective
  • The Dolphins might be talent-deficient for two years, especially at wide receiver and possibly tight end.
    — Chris Perkins, Sun Sentinel, 17 Aug. 2026
  • Many people are deficient in vitamin D due to limited sunlight exposure and few natural food sources.
    — Kirsten Nunez, Martha Stewart, 12 Aug. 2026
Definition of deficient
Adjective
  • But that team’s awful 2026 season meant any shock switch was a non-starter.
    — Alex Kalinauckas, New York Times, 20 Aug. 2026
  • Kavulich believes that at some point, the situation is going to turn so awful that either Cuban leaders will be forced to change, or the United States will intervene.
    — Nora Gámez Torres, Miami Herald, 19 Aug. 2026
Definition of awful

Browse Nearby Words

unacceptability
unacceptable
unacceptably
See all Nearby Words

Cite this Entry

“Unacceptable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unacceptable. Accessed 26 Aug. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of devolve

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

How to Pronounce the Trickiest Menu Items

Is that lie 'bald-faced' or 'bold-faced'?

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

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

Popular in Wordplay

See More

Words from the 'Odyssey'

The Longest Long Words List

Even More Words That Sound Like Insults But Aren't

The Words of the Week - Aug. 21

16 Glee-ridden Words from Schitt's Creek
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
alt-684346df967d5
Add A Letter Quiz Pick the letter that goes in the same spot in fou...
See All