Certainly
Certainly adverb - Without any question.
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Synonyms for Certainly
Not likely and certainly are semantically related. In some cases you can use "Not likely" instead an adverb "Certainly".
Not likely
Certainly and not likely are semantically related. Sometimes you can use "Certainly" instead an adverb phrase "Not likely".
Mutual synonyms
Both terms in one sentence
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However, Chinese support soon dropped off after the Sino-Soviet pact went bad in 1960 and got worse (to the point that a war between the USSR and PRC certainly looked possible if not likely).
Source: Useful Notes / The Vietnam War -
Aliens Steal Cable: While not aliens and also not likely to steal cable (they can certainly afford it), it's strongly suggested that the various Greek gods got up to speed on modern culture by watching movies and television.
- Even if you all eventually come to an agreement (not likely!) you will certainly feel the burn of spending (as this troper did) better than forty minutes discussing the sex life of a serial killer.
Source: Flame War / Film
Cite this Source
Not likely and Certainly. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/certainly/not_likely
Certainly & Not likely. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/certainly/not_likely>.
Not likely or Certainly. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/certainly/not_likely.
Google Ngram Viewer shows how "certainly" and "not likely" have occurred on timeline