Caffeine Meaning in English

word

US

/kæˈfin/

ka-FEEN

UK

/kˈæfiːn/

KA-feen

Definition

A natural substance found in coffee, tea, chocolate, and some sodas that makes you feel more awake and alert.

Usage & Nuances

Common in medical, nutritional, and everyday contexts. Typically uncountable. Used in phrases like 'high in caffeine', 'caffeine-free', and 'caffeine content'. Often discussed in relation to energy, alertness, or sleep.

• Spanish: cafeína
• Portuguese (BR): cafeína
• Portuguese (PT): cafeína
• Chinese (Simplified): 咖啡因
• Chinese (Traditional): 咖啡因
• Hindi: कैफीन
• Arabic: الكافيين
• Bengali: ক্যাফেইন
• Russian: кофеин
• Japanese: カフェイン
• Vietnamese: caffeine
• Korean: 카페인
• Turkish: kafein
• Urdu: کافیین
• Indonesian: kafein

Example Sentences

Coffee contains a lot of caffeine.

basic

Some people are sensitive to caffeine.

basic

Tea also has caffeine in it.

basic

I usually avoid caffeine after 3 p.m. so I can sleep better.

natural

Do you know how much caffeine is in a can of soda?

natural

Sometimes I need a little caffeine boost to get through a busy morning.

natural