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
Daniel De Visé, SPIN, 13 Sep. 2022
Emerging-market currencies are doubtless in for another several months of rollercoaster-like volatility, even assuming that the Fed’s currently uber-hawkish stance starts to soften a bit.
—Megha Mandavia, WSJ, 2 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
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.
—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.
—Recent Examples of Synonyms for doubtless
Adjective
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These manuals scratch the nostalgia itch, sure, but also exemplify a greater desire for offline, focused activities that can serve as a salve for our dwindling attention spans.—
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The puck was mostly in Buffalo’s end, the Sabres were held without a shot for the first nine minutes and 20 seconds of the game, and Nikita Grebenkin was robbed of what looked like a sure goal by Ukko-Pekka Luukkonen after a slick backhand feed from Owen Tippett.—
Adverb
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Jessie Buckley is almost certainly going to win an Oscar come March.—
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Skinny Pedro must certainly have fallen victim to some kind of sorcery.—
Adverb
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Honestly, your friend will probably put them on immediately upon opening.—
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Higher elevations will probably have blooms from April through May, possibly even June.—
Adjective
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Boyce is confident that as the season progresses and more results are in the computer, and as more teams get it together and report all of their results, the accuracy of the rankings will improve.—
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Lost Lambs is a confident if uneven start for a morbidly funny writer.—
Adverb
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But Arca always told me to trust him, and surely enough, the song was a hit.—
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In what is surely the most pawsome news of the day, this means there's an entirely new, adorable, and totally adoptable lineup of furry players to root for.—
Adverb
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Cleverley said the first floor of the building will likely house the ICCU branch, a couple of restaurants, and possibly a coffee shop.—
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The Pentagon would likely want to move additional assets to the area to help protect those troops against possible retaliatory strikes.—
Adjective
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More than three decades and a dozen films since making his unusually assured debut with Bottle Rocket, director Wes Anderson is marking a new phase in his artistic career, with buzzy exhibits in London and Paris showcasing his distinctive aesthetic.—
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But the heart of this collection is Martino’s devastating and assured lyric.—
Adverb
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Tankaneo Double-Breasted Cropped Trench My number-one petite fashion hack is to buy cropped styles that’ll be full-length on my shorter frame, and this trench definitely delivers.—
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That's definitely a skeleton crew, as the current nominal crew size for the ISS is seven.—
Cite this Entry
“Doubtless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/doubtless. Accessed 20 Jan. 2026.
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