IPA: /dɪˈmiːnə/
KK: /dɪˈmiːnər/
A person's outward behavior or conduct, especially in relation to how they appear to others.
Her calm demeanour helped to reassure the nervous students.
Demeanour → It originates from the Old French 'demenour' (meaning behavior or conduct), which is derived from the verb 'demener' (meaning to conduct or lead). The word 'demeanour' refers to the way a person conducts themselves or their behavior.
Think of how someone 'conducts' themselves — that's what 'demeanour' means, referring to their behavior.