/ ɪnˈkredəbl; NAmE / adjective
1.
impossible or very difficult to believe
SYN unbelievable :
an incredible story
It seemed incredible that she had been there a week already.
2.
( informal ) extremely good or extremely large :
The hotel was incredible.
an incredible amount of work
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WORD ORIGIN
late Middle English : from Latin incredibilis , from in- not+ credibilis (from credere believe).