Synonyms for unbelievable

Synonyms for (adjective) unbelievable

Synonyms: incredible, unbelievable

Definition: beyond belief or understanding

Usage: at incredible speed; the book's plot is simply incredible

Similar words: astounding, dumbfounding, dumfounding

Definition: bewildering or striking dumb with wonder


Similar words: fabulous

Definition: barely credible

Usage: the fabulous endurance of a marathon runner


Similar words: tall, marvellous, marvelous, improbable

Definition: too improbable to admit of belief

Usage: a tall story


Similar words: undreamed, undreamed of, undreamt, undreamt of, unimagined

Definition: not imagined even in a dream


Synonyms: improbable, unbelievable, unconvincing, unlikely

Definition: having a probability too low to inspire belief

Similar words: implausible

Definition: having a quality that provokes disbelief

Usage: gave the teacher an implausible excuse