Challenger
Challenger noun - One who strives for the same thing as another.
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Synonyms for Challenger
Professional and challenger are semantically related. In some cases you can use "Professional" instead a noun "Challenger".
Professional
Professional noun - A person engaged in one of the learned professions.
Challenger and professional are semantically related. Sometimes you can use "Challenger" instead a noun "Professional".
Both words in one sentence
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There are many professional boxers who seemed unstoppable and had many fans on the bandwagon, until they faced a true challenger for the first time and got exposed as either ordinary or completely amateurish.
Source: Fake Ultimate Hero -
Comments to the video footage of the Challenger shuttle disaster reveal that many people don't understand the professional calm of CNN's Tom Mintier and especially Steve Nesbitt at Mission Control ("Obviously a major malfunction").
Source: Dissonant Serenity
Cite this Source
Professional and Challenger. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/challenger/professional
Challenger & Professional. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/challenger/professional>.
Professional or Challenger. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/challenger/professional.
Google Ngram Viewer shows how "challenger" and "professional" have occurred on timeline