Unbelievable
WordNet
adjective
(1) Beyond belief or understanding
"At incredible speed"
"The book's plot is simply incredible"
(2) Having a probability too low to inspire belief
WiktionaryText
Adjective
- Incredible; not to be believed.
- The most unbelievable thing happened to me today!
- This restaurant makes unbelievable pizza!
- Implausible or improbable.
- His excuse seems rather unbelievable.
Synonyms
- (incredible): incredible
- (implausible): implausible, improbable, infeasible, unlikely
Antonyms
- (incredible): believable
- (implausible): feasible, likely, plausible, probable