🇬🇧🇪🇸 caffeine - cafeína : English Lesson

Meaning of "caffeine" ("cafeína"), detailed definition, and a short video lesson below.

Caffeine is a natural stimulant found in coffee, tea, chocolate, and some sodas. It helps people feel more awake and alert by stimulating the brain and nervous system.

Watch and listen to this English flashcard to understand the word in more detail, with an easy example sentence.

I accidentally drank Mom’s coffee, and now I feel like I can run to the moon and back.

Without caffeine, my teacher moves like a sloth in slow motion.

My cat doesn’t drink caffeine, but she still runs around the house at 3 AM like she does.

Dad’s caffeine ran out, and now he looks like a zombie waiting for his next cup of coffee.

I saw a guy drink three cups of coffee, and I’m pretty sure he can hear colors now.

A student lifted a cold cup, smelled caffeine, and sighed. One sip gave a small caffeine kick; her heart brightened, eyes opened. Another caffeine sip sharpened fingers on the keyboard. A third caffeine hit erased yawns. She smiled, saved her work, set the cup aside, enough caffeine for now, and she breathed easy.

This word is at the C2 level, which means it represents the highest mastery of English. It’s often used in specialized or highly formal contexts and helps you communicate with precision and subtlety, much like a native speaker.

Expanding your English vocabulary is one of the best ways to improve your pronunciation, spelling, and confidence in English. Watch the video above to memorize the word, understand its meaning, and see example sentences in action. Discover related words to grow your vocabulary naturally. Add words to your playlist for stress-free, effective learning—anytime, anywhere! Watch, learn, repeat.