[EE] incredible, unbelievable

1. incredible /ɪnˈkrɛdɪb(ə)l/ <adj>
Impossible to believe
E.g: an almost incredible tale of triumph and tragedy


Difficult to believe; extraordinary
informal Very good; wonderful

Vi: không thể tin nổi
 
2. unbelievable  /ʌnbɪˈliːvəb(ə)l/<adj>

Not able to be believed; unlikely to be true:
So great or extreme as to be difficult to believe; extraordinary:

Vie: không thể tin nổi 

2 từ trên là 2 từ đồng nghĩa (synonym)