Probably
Probably adverb - By reasonable assumption.
Usage example: we would probably win that bet
Undoubtedly and probably are semantically related. In some cases you can use "Undoubtedly" instead an adverb "Probably".
Nearby Words: probable, probability
Undoubtedly
Undoubtedly adverb - Without any question.
Usage example: we will undoubtedly have to do some editing of our home video
Show all Definitions
Synonyms for Undoubtedly
Probably and undoubtedly are semantically related. Sometimes you can use "Probably" instead an adverb "Undoubtedly".
Nearby Word: undoubted
Mutual synonyms
Related pairs
- really and probably
- really and undoubtedly
- truly and probably
- truly and undoubtedly
- likely and probably
- likely and undoubtedly
- positively and probably
- positively and undoubtedly
- definitely and probably
- definitely and undoubtedly
- apparently and probably
- apparently and undoubtedly
- certainly and probably
- certainly and undoubtedly
Both words in one sentence
- It probably meant the crimes would eternally overshadow the music, but it was undoubtedly the best piece of international P.R.
Source: Overshadowed by Controversy -
Granted, all friends have their Jerk Ass moments, Zoe's probably the least out of them, while Lacieniga is undoubtedly the worst...though she warms up as the series goes on.
Source: With Friends Like These... -
Though if his (probably but not undoubtedly delusional) hints that he's working for the CIA are correct, it could be part of an act.
Source: Hawaiian-Shirted Tourist
Cite this Source
Undoubtedly and Probably. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/probably/undoubtedly
Probably & Undoubtedly. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/probably/undoubtedly>.
Undoubtedly or Probably. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/probably/undoubtedly.
Google Ngram Viewer shows how "probably" and "undoubtedly" have occurred on timeline