inconceivable, irretrievable, conceivable believable
ROCAMBOLESQUE (from the French): incredible, fantastic, unbelievable Pronounced "roh-kam-boh-LEHSK" (rhymes with "desk").
The weather is so cold, it is unbelievable. It is unbelievable how stupid some people are!
The Unbelievable was created in 1996.
Unbelievable is "incroyable" in French.
The duration of The Unbelievable is 2700.0 seconds.
My teacher gave us an unbelievable question.
Unbelievable Uglies was created in 1963.
Unbelievable Love was created in 1996.
He's Unbelievable was created in 2002.
depending on what you meant by unbelievable... positive: amazing, incredible, awesome, astonishing, mind-boggling. negative: doubtful, implausible, sketchy, unreal, unlikely.
Unbelievable is not a verb or an adverb. It's an adjective.
EMF - Unbelievable