Synonyms and antonyms of theory in English

theory

Thesaurus > an idea > theory
These are words and phrases related to theory. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of theory.

AN IDEA

He was giving a lecture on Einstein's theory of relativity.

Synonyms and examples

idea
I've got an idea - why don't we ask John for help?
plan
The plan is to hire a car when we get there.
thought
Have you had any thoughts on presents for your mother?
suggestion
Have you got any suggestions for improvements?
brainwave
UK
I wasn't sure what to do and then I had brainwave - I could ask Anna for help.
brainstorm
US
She was stuck until she had a brainstorm and the solution came to her.
Learn more
An idea is a way of doing something that you have in your mind.
Cambridge English Thesaurus © Cambridge University Press

theory | American Thesaurus

theory

noun
These are words and phrases related to theory. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of theory.
They were learning about Darwin's theory of evolution.
Synonyms for theory from Random House Roget's College Thesaurus, Revised and Updated Edition © 2000 Random House, Inc.

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