Demeanour often involves body language and facial expressions, not just words. Despite her silence, her confident demeanour spoke volumes.
Pro Tip 2/3
Consistency matters
A person's usual demeanour can change, and such changes might suggest something has affected them. The teacher's upset demeanour today was unusual for her.
Pro Tip 3/3
Observation based
Demeanour is judged by observers and may not reflect a person's true feelings or intentions. His friendly demeanour hid his competitive nature.