Doubtless
Doubtless adverb - Without any question.
Usage example: she is doubtless the one and only girl for me
Likely is a synonym for doubtless in probability topic. In some cases you can use "Likely" instead the word "Doubtless" as an adverb or an adjective, when it comes to topics like presumably.
Likely
Likely adjective - Having a high chance of occurring.
Usage example: if you don't graduate from high school, your likely fate is a low-paying job
Doubtless is a synonym for likely in probability topic. You can use "Doubtless" instead the word "Likely" as an adverb or an adjective, if it concerns topics such as presumably, probably.
Nearby Word: like
Mutual synonyms
Related pairs
- certain and doubtless
- certain and likely
- sure and doubtless
- sure and likely
- apparently and doubtless
- apparently and likely
- presumably and doubtless
- presumably and likely
- probably and doubtless
- probably and likely
- possibly and doubtless
- possibly and likely
- seemingly and doubtless
- seemingly and likely
Both words in one sentence
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Though the sea travel likely didn't help, anxiety about invading France to retake it from the Nazis doubtless contributed to their nausea.
Source: Film / Saving Private Ryan -
That said, entropic decks also have a chance of netting you a quick and doubtless win or might give you sub-optimal setups, but upgraded cards will all push the randomness to a positive to be more likely to benefit, and then the question is what kind of benefits.
Source: Video Game / Elements
Cite this Source
Likely and Doubtless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/doubtless/likely
Doubtless & Likely. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/doubtless/likely>.
Likely or Doubtless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/doubtless/likely.
Google Ngram Viewer shows how "doubtless" and "likely" have occurred on timeline