temperament

The manner of thinking, behaving, or reacting characteristic of a specific person: synonym: disposition.

The distinguishing mental and physical characteristics of a human according to medieval physiology, resulting from dominance of one of the four humors.

Excessive irritability or sensitiveness.

To constitute as regards temperament.

State with respect to the relative proportion of qualities or constituent parts; constitution; mixture of opposite or different qualities; a condition resulting from the blending of various qualities.