Likely
Likely adverb - By reasonable assumption.
Usage example: the picnic will likely be cancelled if the storm continues
Undoubtedly and likely are semantically related. In some cases you can use "Undoubtedly" instead an adverb "Likely".
Nearby Word: like
Undoubtedly
Undoubtedly adverb - Without any question.
Usage example: we will undoubtedly have to do some editing of our home video
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Synonyms for Undoubtedly
Likely and undoubtedly are semantically related. Sometimes you can use "Likely" instead an adverb "Undoubtedly".
Nearby Word: undoubted
Mutual synonyms
Both words in one sentence
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Ensemble Cast: Twilight is undoubtedly the main character of the show, but she is no more likely to be the focus of an episode than the other five (excluding Spike).
- It's most likely not intentional on Snape's part, but the undertones are undoubtedly there.
Source: Mind Rape / Literature - The most reviled perk from the first Modern Warfare was undoubtedly Martyrdom, which caused a player to automatically drop a live grenade as they die, most likely taking the attacker with them.
Cite this Source
Undoubtedly and Likely. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/likely/undoubtedly
Likely & Undoubtedly. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/likely/undoubtedly>.
Undoubtedly or Likely. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/likely/undoubtedly.
Google Ngram Viewer shows how "likely" and "undoubtedly" have occurred on timeline