Definition, Meaning & Synonyms
caffeine
Noun
/ˈkæfiːn/
Definition
Caffeine is a natural stimulant most commonly found in coffee, tea, and various soft drinks.
Examples
- Caffeine is often consumed in the morning to help wake up.
- Many people rely on caffeine to stay alert during long working hours.
- Some energy drinks contain high levels of caffeine.
Meaning
It is a central nervous system stimulant that temporarily wards off drowsiness and restores alertness.
Synonyms
- stimulant
- energizer
- excitant
