noun
- substances that stimulate or increase activity in the body or mind
Usage: medical; formal
Examples
- The doctor warned against mixing excitants with other medications.
- Caffeine and nicotine are common excitants found in everyday products.
- The research focused on natural excitants derived from plants.
- Some excitants can cause increased heart rate and alertness.
- The pharmacist explained the effects of various excitants on the nervous system.