Stimulus

/ˈstɪmjələs/
B2

Definition, CEFR level B2, pronunciation, examples, and quiz.

Listen pronunciation

nounSomething that causes a reaction or encourages activity.

Extra definitions

nounAn event encouraging activity.

nounA signal received by a sense organ.

nounAn external phenomenon that has an influence on a system, by triggering or modifying an internal phenomenon; for example, a spur or incentive that drives a person to take action or change behaviour.

Bright light is a stimulus.
The reward provided a stimulus.
The therapist presented a gentle stimulus.
Synonyms:
None
Antonyms:
None

Borrowed from Latin stimulus (“goad, prick”).

“From the beginning of the show to the end, vanity is the sole stimulus and reward of action—vanity, that never looks beyond the present.” — 1834, L[etitia] E[lizabeth] L[andon], chapter XV, in Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 174:
“Democrats, meanwhile, point out that Republicans seem to have made a conscious decision, beginning with the stimulus, to oppose anything the president put forward, dooming any chance of renewed cooperation between the parties.” — 2012 November 7, Matt Bai, “Winning a Second Term, Obama Will Confront Familiar Headwinds”, in New York Times:
CEFR Practice Quiz
Bright light is a ____.

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