n. any event, force, or condition that results in physical or emotional stress. Stressors may be internal or external forces that require adjustment or coping strategies on the part of the affected individual.

What does stressor mean?

: a stimulus that causes stress.

What is stressor in simple words?

The definition of a stressor is something that causes tension or anxiety. An example of a stressor is a huge project due in a short amount of time. noun. 3. An agent, condition, or other stimulus that causes stress to an organism.