Share this entry
excitant Syllabification: ex·cit·ant
Pronunciation: /ikˈsītnt/

Definition of excitant in English:


A substance that elicits an active physiological or behavioral response.
Example sentences
  • Some people find that coffee brings out tremor; this is due to the presence of caffeine, which is an excitant; these effects are not, however, universal.
  • The resulting synaptic inhibition is characterized by either a depressant or an excitant effect, depending on the population of cells involved.


Early 17th century: perhaps suggested by French excitant.

Definition of excitant in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources