English / word
theory
noun B1MEANING IN ENGLISH
a formal idea or set of ideas intended to explain facts or events; a supposition or system of ideas intended to explain something
An explanation of an idea or principle based on facts, reasoning, and evidence.
In context
01
His theory about the missing keys was wrong.
02
The physics theory was hard at first.
Synonyms
idea,explanation,hypothesis
Antonyms
practice,fact,reality
Collocations
economic theory,in theory,scientific theory