doubtless 1 of 2

adjective

Definition of doubtlessnext
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

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Antonyms & Near Antonyms

doubtless

2 of 2

adverb

ˈdau̇t-ləs How to pronounce doubtless (audio)
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
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. — Daniel De Visé, SPIN, 13 Sep. 2022 As a result, mathematical truths do not make up a unified whole of equally indubitable truths; instead, their status as knowledge varies gradually from doubtless facts to increasingly uncertain hypotheses. — Quanta Magazine, 18 May 2026
Adverb
The scrub was doubtless disappointing for many space fans, including Minaj, who was on hand at Starbase for today's launch attempt. — Mike Wall, Space.com, 22 May 2026 But the show’s creatives have been looking to deftly expand Rowling’s beloved source material and will doubtless find some fresh ways to elevate the story. — James Hibberd, HollywoodReporter, 6 May 2026 See All Example Sentences for doubtless
Recent Examples of Synonyms for doubtless
  1. sure
  2. certainly
  3. probably
  4. confident
  5. surely
  6. likely
  7. assured
  8. definitely
Adjective
  • More the former than the latter, sure, but both men are not overly pleased at the way they’re being treated.
    — Erik Kain, Forbes.com, 6 July 2026
  • Although astronomers are pretty sure there is a neutron star in the heart of the remnant based on indirect evidence, no pulsar radio emissions have yet been detected.
    — Keith Cooper, Space.com, 6 July 2026
Definition of sure
Adverb
  • Mediators of the deal, led by Pakistan and Qatar, will almost certainly now be hurriedly trying to get the agreement back on the rails.
    — Ivana Kottasová, CNN Money, 8 July 2026
  • The captain, certainly, but not the most important person on the field.
    — Culture Critic, Los Angeles Times, 8 July 2026
Definition of certainly
Adverb
  • The concept would probably face opposition from Altadenans who have rallied by the hundreds to oppose building permits for multiple homes on individual parcels.
    — Los Angeles Times, Los Angeles Times, 7 July 2026
  • But that’s probably more a 2027 story than a 2026 one, as both governments look to see the path oil prices take, noted Kaneva.
    — David Goldman, CNN Money, 6 July 2026
Definition of probably
Adjective
  • Exploring the recent opportunity Baird is confident Innio will be able to lead and set the highest price target at $50.
    — Assiatou Hann, CNBC, 3 July 2026
  • Speaking of golf, a confident politician or a confident reporter, for that matter, should walk like a golfer coming down the fairway on the 18th hole with a three-stroke lead in a major tournament.
    — Peter Lucas, Boston Herald, 2 July 2026
Definition of confident
Adverb
  • The legendary Modrić surely just played his last World Cup match and perhaps his final international game for Croatia.
    — Ashley Mowreader, NBC news, 3 July 2026
  • The former Crystal Palace right-back has never played in the second-tier Championship but keeping him this summer would surely benefit the club’s push for instant promotion back to the top flight.
    — Roshane Thomas, New York Times, 2 July 2026
Definition of surely
Adverb
  • As launching hardware becomes routine, demand for these bespoke capabilities will likely keep growing, regardless of who does the building.
    — Charlotte Kiang, Forbes.com, 9 July 2026
  • Things also remain precarious in the Strait of Hormuz – and experts say the latest attacks likely won’t remove Iran’s ability to threaten shipping in one of the world’s most important energy arteries.
    — Nadeen Ebrahim, CNN Money, 9 July 2026
Definition of likely
Adjective
  • Streeting is an assured communicator with a base of support among parliamentary colleagues, but Burnham is considered the more likely successor.
    — ABC News, ABC News, 18 June 2026
  • But now the western Canadian province, where the popular HBO drama The Last of Us was shot during its first season, is more assured foreign movie or TV series will tap its film tax credit while shooting locally as royalties from oil exploration and drilling once again pour into its coffers.
    — Etan Vlessing, HollywoodReporter, 12 June 2026
Definition of assured
Adverb
  • Cain pointed out that having the president of the United States greasing the wheels definitely helped speed things along.
    — Alejandro Avila OutKick, FOXNews.com, 3 July 2026
  • It’s also led by arguably (but definitely, in my opinion) the best player to ever play the sport, Lionel Messi.
    — Ben Church, CNN Money, 3 July 2026
Definition of definitely

Browse Nearby Words

doubting Thomases
doubtless
doubtlessness
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Cite this Entry

“Doubtless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/doubtless. Accessed 9 Jul. 2026.

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Nglish: Translation of doubtless for Spanish Speakers

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