Theory

6 lettersnouncommon

Updated June 2026

Definition

A system of ideas explaining something based on principles.

“Einstein's theory of relativity changed physics forever.”

Pronunciation

IPA

/ˈθɪəri/

Syllables

the·o·ry

Related Words

Synonyms

hypothesis concept principle

Word Game Tips

🟩

Wordle

Contains TH- start and -ORY ending pattern.

🔤

Scrabble

Worth 12 points with valuable H and Y.

Words Related to Theory

Words you can make from Theory

Shorter words formed from the letters in “theory”.

other royet theor thore throe toher toyer yerth erth eyot hero hert hery hoey hort hory hote hyte they troy

Explore Similar Words

6-letter words starting with T 6-letter words ending with Y All 6-letter words 5-letter words 7-letter words All word lists

Try These Tools

Anagram Solver Scrabble Helper Crossword Solver Spelling Bee Solver

Dictionary References

Look up theory in an authoritative dictionary for full definitions, pronunciation, and etymology.

Cambridge Dictionary Merriam-Webster

Download Word Challenge for unlimited word puzzles, a fresh Daily Challenge, and head-to-head multiplayer. Guess the hidden word in six tries or fewer!

Download Free