noun
temperament
TEM-pruh-munt/ˈtemprəmənt/
A person's characteristic emotional nature.
The man's easygoing temperament remains steady through several everyday frustrations.

Etymology
Temperament originally named a proportioned mixture. Because a person's mixture of bodily humors was believed to shape feelings and behavior, the word came to mean that person’s characteristic emotional nature.
In context
I'm talking about defusing your anger before you lose control, and this is a followup of a video I did on looking at how you become angry based on your temperament.
More examples
- The twins look alike but have very different temperaments.
- His cheerful temperament makes him pleasant to work with.
- She is cautious by temperament and rarely acts on impulse.
Forms
temperament · temperaments
temperamental adjective — Prone to sudden changes in mood.
Similar words
- disposition
- Often emphasizes a person's usual attitude toward people or situations.
- personality
- Includes broader patterns of thought and behavior, not just emotions.