Meaning & use
excitant
A substance or stimulus that produces excitement or increased activity in the body or mind.
See it in a sentence
Caffeine acts as a mild excitant, temporarily increasing alertness and heart rate.
Doctors warned that certain excitants could worsen the patient's anxiety symptoms.
A note on using this word
Excitant is a technical, mainly medical or scientific term; 'stimulant' is the far more common everyday word for the same idea.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
sedative
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