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
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Recent Examples of doubtless
Bill Goodykoontz, The Arizona Republic, 29 Nov. 2022
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
Bryan Hendricks, Arkansas Online, 15 Feb. 2026
Drescher has doubtless heard the same from time to time.
—Dessi Gomez, Deadline, 11 Jan. 2026
See All Example Sentences for doubtless
Adjective
And the all-boffo, all-the-time production is exhausting (which is doubtless why the rare quiet moments stand out).
—Bill Goodykoontz, The Arizona Republic, 29 Nov. 2022
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
Adverb
Even during the regular waterfowl seasons, hunters have doubtless seen a lone snow goose or white-fronted goose alone in a field.
—Bryan Hendricks, Arkansas Online, 15 Feb. 2026
Drescher has doubtless heard the same from time to time.
—Dessi Gomez, Deadline, 11 Jan. 2026
See All Example Sentences for doubtless
Recent Examples of Synonyms for doubtless
Adjective
-
When the fabric is right, your comfort is sure to follow — but choosing pieces that are also work-appropriate is trickier.—
Tanya Sharma,
PEOPLE,
29 May 2026
-
Make sure the belt doesn't move, push your knees out into the belt, and hold.—
Stephanie Brown,
Verywell Health,
29 May 2026
Adverb
-
With rooms ranging from 910 to 2,100 square feet, there’s plenty of room to stretch your legs, and the private walk-out balconies beholding all of the Strip certainly don’t hurt.—
Condé Nast,
Condé Nast Traveler,
25 May 2026
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Meanwhile, Adam Aznou is yet to convince Moyes since joining from Bayern Munich last summer — the 19-year-old Morocco international is yet to feature in a Premier League game for Everton — and cover will almost certainly be sought at left-back.—
Patrick Boyland,
New York Times,
25 May 2026
Adverb
-
Sánchez owns the longest scoreless streak in Phillies history — since at least 1893, when the current mound distance was set — and probably even before that.—
Matt Gelb,
New York Times,
28 May 2026
-
This is another issue where rapid technology innovation has probably hurt math instruction.—
Mercury News Editorial Board,
Mercury News,
28 May 2026
Adjective
-
Dwayne Johnson is a confident guy and has donned any number of ridiculous guises during his Saturday Night Live hosting gigs over the years.—
Jesse Hassenger,
Entertainment Weekly,
28 May 2026
-
At the same time, the sheer volume of data and the lack of trust in it leave many business leaders unable to make timely, confident decisions, exactly when speed and alignment matter most in today’s industrial environment.—
Dustin Johnson,
Forbes.com,
28 May 2026
Adverb
-
Often, Aleksi would put forth an outrageous idea—that there was no such thing as consciousness, that the many-worlds interpretation was surely true, thereby throwing into question any notion of a self—and Mete and Defne would come together in opposition.—
Ayşegül Savaş,
New Yorker,
24 May 2026
-
Johnston carries the film and the emotional core, but Navarrette delivers the kind of instant classic horror performance that will surely traumatize Gen Z for years.—
Katie Walsh,
Twin Cities,
23 May 2026
Adverb
-
And there likely will be much reflection on the country’s ingenuity and tenacity — including that shown by the Prairie State over the past 250 years.—
Kori Rumore,
Chicago Tribune,
23 May 2026
-
The Chattahoochee Riverkeeper warns that a massive fish kill stretching at least 20 miles has occurred on the Chattahoochee River near the city of Atlanta, likely connected to heavy rains that caused flooding this week.—
Drew Kann,
AJC.com,
23 May 2026
Adjective
-
This creates a mutually assured destruction dynamic that disincentivizes selling.—
William Pesek,
Forbes.com,
20 May 2026
-
Again, one expected of an assured athlete anticipating a promising NBA career.—
Jason Jones,
New York Times,
9 May 2026
Adverb
-
An important element of the concept is that guests shouldn’t go hungry and definitely not starve.—
Condé Nast,
Condé Nast Traveler,
23 May 2026
-
So there are definitely going to be people that will support other candidates.—
Anthony Man,
Sun Sentinel,
22 May 2026
Cite this Entry
“Doubtless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/doubtless. Accessed 30 May. 2026.
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