Most likely
Without fail and most likely are semantically related. In some cases you can use "Without fail" instead an adverb phrase "Most likely".
Without fail
Most likely and without fail are semantically related. Sometimes you can use "Most likely" instead an adverb phrase "Without fail".
Mutual synonyms
Both terms in one sentence
-
In a subversion, despite his outlandish logic and lack of experience with legal defense, the public laps it all up without fail, most likely due to his charm.
Cite this Source
Without fail and Most likely. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/most_likely/without_fail
Most likely & Without fail. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/most_likely/without_fail>.
Without fail or Most likely. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/most_likely/without_fail.
Google Ngram Viewer shows how "most likely" and "without fail" have occurred on timeline