excitant

Meanings

1. 1nouncountabletechnicalmedical

   A substance or stimulus that increases activity in the body or mind, especially in a medical or scientific context.

   Grammar: Countable; use 'an excitant' or 'excitants' when referring to specific substances.

   Patterns

   • an excitant to something
   • a mild excitant
   • the effect of an excitant

   Caffeine is a well-known excitant that many people consume daily.

   The doctor warned that certain excitants could interfere with sleep.

   In the experiment, the excitant was applied directly to the nerve tissue.

2. 2adjectivebefore a nountechnicalmedical

   Causing excitement or increased activity; stimulating.

   Grammar: Used before a noun, as in 'excitant drugs'; not usually used after a verb.

   Patterns

   • excitant properties
   • excitant effects

   The substance had excitant properties that raised the heart rate.

   Researchers studied the excitant effects of the compound on brain cells.

Word forms

Common combinations

mild excitant

Green tea acts as a mild excitant for most people.

powerful excitant

The drug was classified as a powerful excitant.

excitant properties

Scientists noted the excitant properties of the new chemical.

excitant effect

The excitant effect on the nervous system was immediate.

Synonyms and how they differ

stimulant

Stimulant is the everyday word for a substance that increases activity; excitant is more technical and rare.

upper

Upper is informal slang for a stimulant drug; it is not suitable for medical or formal writing.

Opposites

Word family

excite verb

To make someone feel eager or to cause a reaction.

excitement noun

A feeling of eager enthusiasm.

excitable adjective

Easily becoming excited.

Commonly confused: excitant or excitement?

Practice

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