Boundary
8 lettersnouncommonUpdated February 2026
Definition
A line that marks the limits of an area; a dividing line between two places or things. Also refers to limits or parameters set in relationships, behaviour, or acceptable conduct.
“The river forms the natural boundary between the two neighbouring countries.”
Related Words
Word Game Tips
🟩
Wordle
Contains five vowels (OU, A, Y) with the high-value letters B, D, and Y; watch for -ARY ending
🔤
Scrabble
Worth 14 points; valuable with B (3 points), D (2 points), and Y (4 points)
Explore Similar Words
Try These Tools
Dictionary References
Look up boundary in an authoritative dictionary for full definitions, pronunciation, and etymology.

Ready to test your word skills?
Download Word Challenge and challenge yourself with our daily word puzzles. Guess the hidden word in six tries or fewer!