demeanour
noun /dɪˈmiːnə(r)/
/dɪˈmiːnər/
(US English demeanor)
[countable, uncountable] (formal)- the way that somebody looks or behaves
- He maintained a professional demeanour throughout.
- She seemed perfectly normal in appearance and demeanour.
Word Originlate 15th cent.: from demean in the archaic sense ‘behaviour’, probably influenced by obsolete havour ‘behaviour’.