Theory
noun
/ˈθɪə.ri/
A theory is an idea that helps explain how something works or why something happens. It's like a guess based on what we see and think about.
Examples
- My theory is that plants need sunlight to grow.
- In science class, we learned a theory about dinosaurs.
- I have a theory that ice cream makes everyone happy.
Synonyms
idea
guess
belief
notion
thought
Antonyms
fact
truth
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