thesis

word

/ˈθisəs/
THEE-suhs
/θˈiːsɪs/
THEE-sis

Definition

A thesis is a long piece of writing you do for an academic degree, especially a master's or doctoral degree. It can also mean the main idea you are arguing for in an essay or discussion.

Usage & Nuances

Mostly used in academic or formal settings, especially for master's/PhD work ('write a thesis', 'defend a thesis'). In essays, 'thesis statement' means the main argument. Do not confuse with 'essay' (shorter, less formal).

Example Sentences

I finished writing my thesis last month.

basic

Her thesis is about climate change.

basic

You need a strong thesis statement in your essay.

basic

I'm so stressed about my thesis deadline.

natural

He defended his thesis last week and passed with honors.

natural

What's the main thesis of her argument?

natural