IMPLAUSIBLE Synonyms: 66 Similar and Opposite Words

implausible

adjective

(ˌ)im-ˈplȯ-zə-bəl

Definition of implausible

as in incredible

too extraordinary or improbable to believe the terrorist attacks generated a whole passel of implausible conspiracy theories that dishonor the memory of those who perished

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 implausible Crypto-anarchy’s projects all involve an implausible degree of human commitment. — Finn Brunton, Harpers Magazine, 1 Sep. 2026 The uncomfortable implication is that the most dangerous credibility failures are not the ones where we are obviously fooled by something implausible. — Big Think, 21 Aug. 2026 But this seems implausible today, when great powers cannot even cooperate on addressing climate change, let alone the full shape of world order. — Kurt M. Campbell, Foreign Affairs, 18 Aug. 2026 The idea that either could survive another four-year cycle (Messi is 39 and Ronaldo 41) and play at the 2030 World Cup seemed implausible. — Clemente Lisi, Forbes.com, 17 Aug. 2026 See All Example Sentences for implausible

Recent Examples of Synonyms for implausible

Adjective

Achieving incredible data transmission speed The researcher fabricated the device using a 300-millimeter silicon-on-insulator manufacturing process.

— Rupendra Brahambhatt, Interesting Engineering, 24 Oct. 2026
This year’s incredible class of awardees includes Jason Bolden, Kellon Deryck, Molly Greenwald, Chris Horan, Amy Komorowski, Thuy Nguyen, Law Roach, and Trish Summerville.

— InStyle, InStyle, 24 Oct. 2026

Definition of incredible

Adjective

Cam asked her, incredulous that his talkative fiancée had nothing to say.

— Jason P. Frank, Vulture, 4 Nov. 2026
Some congressional Democrats were incredulous, saying the email might simply have been deleted and that the firm’s analysis did not explain why or how someone might have manufactured the message.

— New York Times, New York Times, 22 Oct. 2026

Definition of incredulous

Adjective

Friedman began her remarks by reminding the audience of von Furstenberg’s unlikely beginning, born in Brussels to a Holocaust survivor.

— Ariel Bielsky, Vogue, 24 Oct. 2026
Dahlia Scheindlin, a veteran pollster who works for left-of-center candidates and parties in Israel, speculated that the number of returning overseas voters was unlikely to be big enough to change the outcome of the election.

— Daniel Brook, New Yorker, 24 Oct. 2026

Definition of unlikely

Adjective

The problem has to do with how a set of equations that model the movement of fluids seems to imply solutions with infinite speed, which should be impossible.

— Rivka Galchen, New Yorker, 1 Nov. 2026
Camas coach Matt LeGrand — who's in an impossible position — would not comment on why.

— Matt Calkins OutKick, FOXNews.com, 1 Nov. 2026

Definition of impossible

Adjective

The Ahmanson’s work pairs sumptuous costumes, storybook scenery and robust singing with broad, disconnected acting that leaves the musical’s romantic transformation emotionally unconvincing.

— Andrew J. Campa, Los Angeles Times, 1 Nov. 2026
In the New York Times, Brian O’Doherty wrote that the works appeared gloomy and largely unconvincing.

— Daniel Cassady, ARTnews.com, 26 Oct. 2026

Definition of unconvincing

Adjective

But the story of twentieth-century democracy from Watergate to the Pentagon Papers is inconceivable without print.

— Literary Hub, Literary Hub, 14 Oct. 2026
Technology, public taste and economic conditions all contributed to its once-inconceivable drastic makeover.

— Rick Nicita, HollywoodReporter, 30 Sep. 2026

Definition of inconceivable

Adjective

Dubbed 'Flash Charging,' this allows the Atto 8’s massive 115-kilowatt-hour battery to rocket from a 10% charge up to 70% capacity in an almost unbelievable five minutes.

— New Atlas, New Atlas, 17 Oct. 2026
What Zoe [Kazan] has done with Steinbeck’s East of Eden is just unbelievable.

— Brian Davids, HollywoodReporter, 14 Oct. 2026

Definition of unbelievable

Adjective

At the start of this election cycle, the notion that Democrats would seriously compete in such deep-red bastions as Kansas, Mississippi, South Carolina and Texas would have seemed absurd.

— Los Angeles Times, Los Angeles Times, 4 Nov. 2026
For the second of two F--- Cancer gigs, Reynoso has racked up a gloriously absurd 13 local bands on one madcap, rapid-fire club bill, where each will swarm the stage rig to plug in and play 10-minute sets before giving way to the next act.

— Aaron Davis, Sacbee.com, 1 Nov. 2026

Definition of absurd

Browse Nearby Words

implausibility

implausible

implausibly

See all Nearby Words

Cite this Entry

Style

“Implausible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implausible. Accessed 6 Nov. 2026.

Copy Citation

Synonyms of implausible

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

quondam

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

Great Big List of Beautiful and Useless Words, Vol. 5

9 Words That Sound Like Insults But Aren't

7 Words for Old-Timey Vehicles

The Words of the Week - Nov. 6

12 Lovely and Unusual Words for the Natural World

Popular

How to Use 'Who' vs. 'Whom'

Great Big List of Beautiful and Useless Words, Vol. 5

9 Words That Sound Like Insults But Aren't

Games & Quizzes