Mutual synonyms
Both words in one sentence
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Mario has a quick-to-act get-up-and-go fearless attitude, while Luigi has a hesitant, cautious, and timid demeanor.
Source: Sensitive Guy and Manly Man - Both mess with Scootaloo's head, forcing her to act like a foal around them and calling her clumsy, all while maintaining a casual demeanor.
Source: Fan Fic / The Nuptialverse -
It's implied its an act but when Yuki refuses to leave with Kanada who demonstrates affections towards him as well Kanada drops his Nice Guy demeanor.
Source: Not Good with Rejection
Cite this Source
Demeanor and Act. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/act/demeanor
Act & Demeanor. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/act/demeanor>.
Demeanor or Act. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/act/demeanor.
Google Ngram Viewer shows how "act" and "demeanor" have occurred on timeline