insoluble
(in-sol-u-ble)
4 syllables
Definition
adjective. 1 impossible to dissolve esp. in a given liquid; 2 impossible to solve or understand
Example Sentence
The puzzle was insoluble.
Synonyms
unanswerable; baffling; difficult
Antonyms
soluble; solvable
Rhymes
- soluble
- voluble
- insoluble