🇬🇧🇪🇸 thesis - tesis : English Lesson

Meaning of "thesis" ("tesis"), detailed definition, and a short video lesson below.

A thesis is a statement or main idea that someone writes about and tries to prove or explain, usually in a long piece of writing like a school paper or a college project. It’s like saying, “Here’s what I believe, and now I’m going to show you why I’m right!”

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

I wrote a thesis about why jellybeans are better than broccoli—and my teacher almost agreed.

My little brother’s thesis was titled “Reasons Why I Deserve a Cookie Right Now.”

Our group project thesis said teamwork is great—as long as someone else does the work.

My thesis on “Why I Shouldn’t Have to Write a Thesis” was rejected.

I wrote a 10-page thesis on how to avoid writing a 10-page thesis.

Sam carries a heavy box with thesis written on it into the empty room. He opens the box, finds the long paper with his thesis title, reads the thesis aloud, and watches friends nod. They put the thesis on the wall. At the end Sam smiles and hugs the box — his thesis is done.

This word is at the B2 level, which means it’s used in more complex conversations and texts. It helps you discuss abstract ideas, express opinions clearly, and engage in discussions on a variety of topics, both personal and professional.

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.