Inconceivable

1.

(Not capable of being conceived in the mind, uuthinkable) ដែលមិនអាចរីកបាន, ដែលមិនអាចយល់បាន, ដែលប្លែកអស្ចារ្យ
Example: A square circle is inconceivable, Light travels at an inconceiveble speed.

1.

Not conceivable; incapable of being conceived by the mind; not explicable by the human intellect, or by any known principles or agencies; incomprehensible; as, it is inconceivable to us how the will acts in producing muscular motion.