caffeine Definition
a bitter white crystalline alkaloid that is a stimulant drug, found especially in tea and coffee and kola nuts and cacao beans.
Using caffeine: Examples
Take a moment to familiarize yourself with how "caffeine" can be used in various situations through the following examples!
Example
I need a cup of coffee to get my caffeine fix.
Example
Caffeine can cause insomnia if consumed in large amounts.
Example
Many people experience withdrawal symptoms when they try to quit caffeine.
Example
Some medications contain caffeine as an active ingredient.
caffeine Synonyms and Antonyms
Phrases with caffeine
a physical and psychological dependence on caffeine, characterized by withdrawal symptoms such as headaches, fatigue, and irritability
Example
After years of drinking coffee every morning, she developed a caffeine addiction and couldn't function without it.
Example
I always feel tired and sluggish in the afternoon after experiencing a caffeine crash.
decaf coffee
coffee that has had most of its caffeine removed
Example
I prefer decaf coffee because I'm sensitive to caffeine and it keeps me up at night.
Summary: caffeine in Brief
The term 'caffeine' [ˈkæfiːn] refers to a bitter white crystalline alkaloid that acts as a stimulant drug. It is commonly found in tea, coffee, kola nuts, and cacao beans. Caffeine is known for its stimulating effects and can cause withdrawal symptoms when consumed regularly. Phrases like 'caffeine addiction' and 'caffeine crash' describe the physical and psychological effects of caffeine consumption.