Definition, Meaning & Synonyms

stimulus

noun

/ˈstɪm.jə.ləs/

Definition

A stimulus is an event or object that causes a specific reaction or response in an organism or system.

Examples

The loud noise acted as a stimulus, making the dog bark.
Government spending increases can serve as a fiscal stimulus to boost the economy.
In the classroom, visual aids can be an effective stimulus for learning.

Meaning

In psychology and biology, a stimulus refers to anything that can provoke a reaction from an organism, such as light, sound, or touch. In economics, it can refer to actions or conditions that encourage economic growth or activity.