American Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition stimulus in American English

stimulus noun

[countable/uncountable] noun
/ˈstɪmjələs/
1

anything that encourages something to happen, develop, or improve

Example

The Fed hopes that lower interest rates will be a stimulus to investment.

Example

We hope that the books will provide a stimulus for discussion.

Synonyms and related words
2

something that produces a reaction in a plant, animal, or person

Example

They test the children's reaction to a simple visual stimulus.

Synonyms and related words
Definition stimulus in American English