Tumour
6 lettersnounmoderateUpdated June 2026
Definition
An abnormal mass of tissue that develops without serving any useful purpose and may be either benign or malignant.
“The surgeon successfully removed the benign tumour from her left shoulder.”
Pronunciation
Syllables
tu·mour
Related Words
Synonyms
Word Game Tips
Wordle
Ends in -OUR, the distinctive British spelling with two U's. The double-U pattern is rare in Wordle.
Scrabble
Worth 8 points. The two U's are unusual and can help clear a rack heavy with U tiles. Hooks to TUMOURS.
Words Related to Tumour
Words one letter different
Change a single letter of “tumour” to make these 6-letter words — useful for Wordle and crossword clues.
Explore Similar Words
Try These Tools
Dictionary References
Look up tumour 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!