cancaneuse

Example:The grimm demeanor of the professor made him seem less approachable than the cancanuse girl who was always smiling.

Definition:Very serious and without any playfulness, often indicating a somber or depressing tone.

Example:He maintained a solemn demeanor during the important meeting, unlike the cancanuse girl's light-hearted approach to all situations.

Definition:Having or expressing a serious or dignified manner!