Mercury
7 lettersnounmoderateUpdated February 2026
Definition
A silvery-white toxic heavy metal that is liquid at room temperature, used in thermometers and other instruments. Also the planet closest to the Sun in our solar system.
“The mercury in the thermometer rose steadily as the day grew warmer.”
Related Words
Synonyms
Word Game Tips
🟩
Wordle
Contains high-value letters U and Y together
🔤
Scrabble
14 points; Y at end provides good extension potential
Explore Similar Words
Try These Tools
Dictionary References
Look up mercury 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!