unbelievable

View results from: Wordnet | Webster | Wiktionary | Easton

unbelievable in WordNet English dictionary

adjective

having a probability too low to inspire belief
improbable unbelievable unconvincing unlikely
beyond belief or understanding
"at incredible speed"; "the book's plot is simply incredible"
incredible unbelievable

WordNet Lexical Database v3.0, © 2006 Princeton University

unbelievable in English Wiktionary

(adjective) incredible/Incredible; not to be believed.
(adjective) implausible/Implausible or improbable.

Wiktionary, GNU Free Documentation Licence