Must
4 lettersverbcommonUpdated June 2026
Definition
To be obliged or required to do something.
“You must wear a seatbelt while driving.”
Pronunciation
IPA
/mʌst/
Related Words
Synonyms
Word Game Tips
🟩
Wordle
Common modal verb with U vowel and ST ending.
🔤
Scrabble
Worth 6 points, useful auxiliary verb.
Words Related to Must
Words one letter different
Change a single letter of “must” to make these 4-letter words — useful for Wordle and crossword clues.
Add a letter to make a longer word
5-letter words you can spell by adding one letter to “must”.
Explore Similar Words
Try These Tools
Dictionary References
Look up must in an authoritative dictionary for full definitions, pronunciation, and etymology.

Ready to test your word skills?
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!