Impossible
10 lettersadjectivecommonUpdated June 2026
Definition
Not able to occur, exist, or be done; beyond the realm of possibility. Extremely difficult to deal with or tolerate.
“It seemed impossible to complete the project by the deadline, but the team succeeded.”
Pronunciation
IPA
/ɪmˈpɒsəbl/
Syllables
im·pos·si·ble
Related Words
Synonyms
unachievableunattainableunfeasibleimpracticable
Antonyms
Word Game Tips
🟩
Wordle
Contains three S's, three I's, and -IBLE ending pattern
🔤
Scrabble
Worth 18 points; good length at 10 letters with two S's and two B's adding value
Words Related to Impossible
Explore Similar Words
Try These Tools
Dictionary References
Look up impossible 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!