Invisible
9 lettersadjectivecommonUpdated February 2026
Definition
Unable to be seen; not visible to the eye. It can refer to something physically transparent, too small to detect, or metaphorically hidden or ignored.
“The bacteria are invisible to the naked eye and require a microscope to be observed.”
Related Words
Word Game Tips
🟩
Wordle
Contains four 'I's and 'VISIBLE' root with 'IN' prefix; very vowel-heavy
🔤
Scrabble
Worth 14 points; excellent for deploying multiple vowels and common prefix
Explore Similar Words
Try These Tools
Dictionary References
Look up invisible 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!