: tending to excite or stimulate
excitant drugs
excitant noun

Word History

First Known Use

1607, in the meaning defined above

Time Traveler
The first known use of excitant was in 1607

Browse Nearby Words

Cite this Entry

“Excitant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/excitant. Accessed 7 Jul. 2026.

Medical Definition

: tending to excite or augment
excitant drugs

excitant

2 of 2 noun
: an agent that arouses or augments physiological activity (as of the nervous system)
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