thesis

Pronunciation

• (UK) IPA ^(key): /ˈθiːsɪs/
• (US) IPA ^(key): /ˈθisɪs/

• Audio (UK)

  (file)

• Audio (US)

  (file)

• Hyphenation: the‧sis

Noun

Singular thesis

Plural theses

1. (countable) A thesis is a long paper that university students at the masters or doctoral level write.

   I finished my coursework and have been working on my thesis for about a year now.

   She's writing her thesis on the effects of TV on children.

2. (countable) A thesis is a main idea or argument that is developed or explained.

   This book has three major theses.

   If you're going to write about this, you're going to have trouble supporting your thesis.