Synonyms of thesis

thesis

noun

ˈthē-səs 

1

as in argument

an idea or opinion that is put forth in a discussion or debate

put forth the thesis that the electronic media's coverage of politics trivializes the workings of our democracy

Synonyms & Similar Words

• argument
• contention
• assertion
• hypothesis
• theory
• guess
• assumption
• hunch
• proposal
• proposition
• speculation
• conjecture
• explanation
• rationale
• position
• surmise
• reason
• presupposition
• stand
• case
• supposition

2

as in hypothesis

an idea that is the starting point for making a case or conducting an investigation

it is not clear how the arguments you make actually support your thesis

Synonyms & Similar Words

• hypothesis
• theory
• proposition
• premise
• assumption
• suggestion
• guess
• proposal
• supposition
• theorem
• impression
• inference
• hunch
• generalization
• presumption
• conjecture
• concept
• suspicion
• speculation
• notion
• presupposition
• concession
• conception
• construct
• abstraction
• surmise
• feeling
• guesswork
• proffer
• inkling

Antonyms & Near Antonyms

• fact
• knowledge
• assurance
• certainty

Example Sentences

Recent Examples of thesis

The main crux of his thesis depends on the open primaries where independent voters could swing elections, not closed Democratic primaries. — Catherina Gioino, Fortune, 6 July 2026

Equally, a successful short thesis does not need to be held until every problem has disappeared. — Jim Osman, Forbes.com, 5 July 2026

Supporters produced evidence to bolster the book’s thesis, and although much of the evidence proved to be fake, Roswell remains a hub of UFOlogy to this day. — Encyclopedia Britannica, 2 July 2026

GameStop's takeover pursuit adds a headline catalyst, but the more durable thesis is that eBay's own operating momentum is improving. — Tony Zhang, CNBC, 1 July 2026