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
  • Getty Images The New York Mets are one of the few sure-fire sellers at this point before the MLB trade deadline, putting several veterans under the spotlight as potential chips for opposing contenders searching to fortify going into October.
    — Peter Chawaga, Forbes.com, 27 July 2026
  • On the one hand, sure, many of the PGA Tour’s best players took the week off after The Open Championship.
    — Alex Kirshner, New York Times, 27 July 2026
Definition of sure
Adverb
  • Jackson was certainly excited about that after being stepped on during an early part of 2025 training camp caused him to a miss a significant chunk of time.
    — Miami Herald, Miami Herald, 30 July 2026
  • Emma, on the other hand, certainly knows what that role is — now grown up and a mom herself.
    — Brianna Zigler, Entertainment Weekly, 29 July 2026
Definition of certainly
Adverb
  • There’s nothing unique about hating high school, but most people who vow never to return to their hometowns probably don’t hail from New York City.
    — Emma Specter, Vogue, 27 July 2026
  • If a false accusation appears on a high-authority site, creating a blog post on your company website probably won't outrank it.
    — Victoria Marshall, Forbes.com, 27 July 2026
Definition of probably
Adjective
  • Welcome to Style Forecast, a monthly horoscope that uses astrology to help each zodiac sign feel like their most confident and aligned self.
    — Meghan Rose, Glamour, 1 Aug. 2026
  • What’s the most recent segment that had you a little less confident?
    — Mikey O'Connell, HollywoodReporter, 31 July 2026
Definition of confident
Adverb
  • Gavin John Slowly but surely, every building in Fort Albany saw a strand of fiber drop from overhead and come through a box drilled into the wall, ready to connect to a router.
    — IEEE Spectrum, IEEE Spectrum, 30 July 2026
  • Trump would surely claim that the statute of limitations on his criminal charges has expired.
    — Chris Brennan, USA Today, 30 July 2026
Definition of surely
Adverb
  • If the prosecution files a motion for summary disposition, the presiding judge — Hippler, in Kohberger’s case — will likely schedule a hearing.
    — Alex Brizee July 30, Idaho Statesman, 30 July 2026
  • These are the homes ultra-wealthy buyers want, but the supply of this prime real estate is limited, meaning prices for the properties have gone up significantly and will likely continue to do so, Bozovic said.
    — Catherine Odom, Miami Herald, 30 July 2026
Definition of likely
Adjective
  • Jayson has nine active players on assured Hall paths right now, with four more close.
    — Chris Branch, New York Times, 24 July 2026
  • For those looking for an M390 folder that combines efficient cutting geometry with a fuller, more assured grip, Hornbill presents a compelling evolution of Titaner’s knife lineup.
    — New Atlas, New Atlas, 21 July 2026
Definition of assured
Adverb
  • Snorkeling is definitely out—the deadly air notwithstanding—but perhaps walking along the bottom of a methane lake would be a fun diversion.
    — Phil Plait, Scientific American, 31 July 2026
  • The game definitely has more than a little cell-stage Spore in it.
    — ArsTechnica, ArsTechnica, 31 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 2 Aug. 2026.

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