Be suspicious
Question and be suspicious are semantically related. In some cases you can use "Question" instead a verb phrase "Be suspicious".
Question
Question verb - To demand proof of the truth or rightness of.
Be suspicious and question are semantically related. You can use "Be suspicious" instead a verb "Question".
Both terms in one sentence
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While possible suspicions of infidelity would explain Raoul's change in character, this is never suggested; when the Phantom raises the question that Gustave isn't his, Raoul's genuine surprise implies he's had no reason to be suspicious of Christine.
Source: Theatre / Love Never Dies
Cite this Source
Question and Be suspicious. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/be_suspicious/question
Be suspicious & Question. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/be_suspicious/question>.
Question or Be suspicious. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/be_suspicious/question.
Google Ngram Viewer shows how "be suspicious" and "question" have occurred on timeline