as in sure
having or showing a mind free from doubt
another one of his doubtless predictions that will never come true
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
1
as in certainly
without any question
she is doubtless the one and only girl for me
Synonyms & Similar Words
2
as in probably
by reasonable assumption
doubtless you have heard this story before, but I'll tell it anyway
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 doubtless
Doyle McManuswashington Columnist, Los Angeles Times, 13 Nov. 2022
Like Shannon, Natalie followed a circuitous musical path, dabbling in noise rock and once fronting a band called Satanized, doubtless to the delight of her Pentecostal parents.
—Daniel De Visé, SPIN, 13 Sep. 2022
James Hibberd, HollywoodReporter, 31 Oct. 2025
Without an excellent performance from the Italian, Spurs would doubtless be travelling back to north London following a second defeat in four days.
—Elias Burke, New York Times, 23 Oct. 2025
See All Example Sentences for doubtless
Adjective
In the tradition of superpower summits, Biden and Xi doubtless hope to declare their meeting a success — if only by the hard-to-measure standard of stabilizing U.S.-China relations.
—Doyle McManuswashington Columnist, Los Angeles Times, 13 Nov. 2022
Like Shannon, Natalie followed a circuitous musical path, dabbling in noise rock and once fronting a band called Satanized, doubtless to the delight of her Pentecostal parents.
—Daniel De Visé, SPIN, 13 Sep. 2022
Adverb
Such moves are routinely cheered on Wall Street and some cuts are doubtless necessary given Paramount’s balance sheet ahead of the company’s third-quarter earnings report to investors next month.
—James Hibberd, HollywoodReporter, 31 Oct. 2025
Without an excellent performance from the Italian, Spurs would doubtless be travelling back to north London following a second defeat in four days.
—Elias Burke, New York Times, 23 Oct. 2025
See All Example Sentences for doubtless
Recent Examples of Synonyms for doubtless
Adjective
-
Those who aren’t sure which paddle to buy will benefit from the Gearbox GX6 Carbon Fiber Pickleball Paddle, which features a carbon-fiber core that’s great for both beginners and experts alike.—
BestReviews,
Chicago Tribune,
12 Mar. 2026
-
Don’t be so sure that Bryant would have resented Adebayo topping his 81 points.—
Barry Jackson,
Miami Herald,
12 Mar. 2026
Adverb
-
Stack is the sly and cunning one, chatty and quick to grin, unlike his brother, yet certainly with things weighing on him as well.—
Brian Truitt,
USA Today,
16 Mar. 2026
-
Sometimes the coat is the outfit, and this one certainly meets the moment.—
Minty Mellon,
Vogue,
16 Mar. 2026
Adverb
-
Shared finances, in particular, could probably use specific conversations about fair splits and future financial moves.—
Tarot.com,
Baltimore Sun,
13 Mar. 2026
-
That probably won’t happen this time with Dybantsa’s Cougars losing in the quarterfinals.—
Blair Kerkhoff,
Kansas City Star,
13 Mar. 2026
Adjective
-
Even though the application of arts to the treatment of childhood type 1 diabetes cannot make the disease or the mental attention necessary for its treatment go away, the arts can help to make children with diabetes more confident and comfortable within their skin.—
Elizabeth McClure,
The Orlando Sentinel,
12 Mar. 2026
-
Drawing inspiration from the aesthetics of early 2000s R&B, Bad Gyal captures not only visuals but also sound, conveying her confident, flirtatious energy while paying tribute to the era that significantly influenced her.—
Ingrid Fajardo,
Billboard,
12 Mar. 2026
Adverb
-
Other players considering San Diego State would surely notice.—
Tom Krasovic,
San Diego Union-Tribune,
15 Mar. 2026
-
Sabalenka surely will be looking to avenge that one as well as her 0-2 record in Indian Wells finales.—
Los Angeles Times,
Los Angeles Times,
14 Mar. 2026
Adverb
-
Achieving a true quantum advantage in chemistry will likely require breakthroughs in both hardware and algorithms before quantum computers can surpass classical machines on these fundamental molecular calculations.—
Rupendra Brahambhatt,
Interesting Engineering,
14 Mar. 2026
-
Saad said impacts from the early closure likely will be limited since the majority of Bogus Basin’s visitors are local.—
Nicole Blanchard,
Idaho Statesman,
14 Mar. 2026
Adjective
-
The precision of the tailoring, the depth of texture, and the emotional clarity of the collection felt incredibly assured.—
Lisa Lockwood,
Footwear News,
17 Feb. 2026
-
From that moment on, Alcaraz seemed the more assured player, utilizing his favorite dropshot to lethal effect and capitalizing on Djokovic’s uncharacteristic unforced errors.—
Issy Ronald,
CNN Money,
1 Feb. 2026
Adverb
-
The most eye-catching part, however, is definitely a large flower made of fabric that sprouts out of the shoulder.—
Hannah Dailey,
Billboard,
13 Mar. 2026
-
Coming off the bench for Leo and stepping onto the court on the big stage at state, Elon Henderson definitely felt some nerves.—
Steve Millar,
Chicago Tribune,
13 Mar. 2026
Cite this Entry
“Doubtless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/doubtless. Accessed 19 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
