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
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 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
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 Savings here and there are doubtless feasible. — Editorial, Boston Herald, 17 Apr. 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
  • Twenty-four-year-old Annagrace wasn't sure about her future after her time in foster care ended.
    — Leondra Head, CBS News, 13 July 2026
  • The only way to be completely sure of a rhabdo diagnosis is by getting tested by a healthcare provider, according to the CDC.
    — Hali Smith July 13, Idaho Statesman, 13 July 2026
Definition of sure
Adverb
  • An Argentina semifinal win now gives Messi the chance — in what almost certainly will be his final match on the World Cup stage —- to make his country the first back-to-back champion since Brazil in 1958 and ‘62.
    — Miami Herald, Miami Herald, 16 July 2026
  • Greek goddess-like beauty is certainly having a moment thanks to the cast of Christopher Nolan’s The Odyssey.
    — Anna Cafolla, Vogue, 15 July 2026
Definition of certainly
Adverb
  • Managers expecting Spain to reach the final should strongly consider owning him and Yamal, but this is probably a strategy more suited to those chasing — Spain will be underdogs against France.
    — Abdul Rehman, New York Times, 14 July 2026
  • Well, the answer is probably Andrew Watt, a 35-year-old who has built a reputation for hunkering down in the studio with rock legends or pop stars to craft sleek, sturdy albums.
    — Ethan Beck, Washington Post, 13 July 2026
Definition of probably
Adjective
  • Agamemnon emerged next and cautioned Odysseus, sharing how he was murdered by his wife after being too confident in receiving a hero’s welcome.
    — Tanya Fedak, Variety, 18 July 2026
  • But forecasts are growing more confident in an overall lack of storms by the month.
    — Mary Gilbert, CNN Money, 18 July 2026
Definition of confident
Adverb
  • The French surely will consider Saturday’s consolation match a massive letdown.
    — Miami Herald, Miami Herald, 16 July 2026
  • And if the lights at Arrowhead are too big for them, surely something could be arranged to have Kauffman be a better fit.
    — Rashad Alexander, Kansas City Star, 16 July 2026
Definition of surely
Adverb
  • Folsom police on Monday said the death was likely an accident and not a result of foul play.
    — Corey Schmidt, Sacbee.com, 15 July 2026
  • Researchers detected high abundances of sodium, likely from icy brines within the original asteroid.
    — Ashley Strickland, CNN Money, 15 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
  • The ladies really do it up, particularly Tamra and Vicki, who definitely hired a makeup artist to make them into the female version of Bad Grandpa.
    — Brian Moylan, Vulture, 17 July 2026
  • DeMarco said there’s no timetable for Satou Sabally (concussion), but a return definitely won’t be prior to All-Star Break.
    — Fiifi Frimpong, New York Daily News, 17 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 18 Jul. 2026.

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