Meaning : So surprisingly impressive as to stun or overwhelm.
Example :
Such an enormous response was astonishing.
An astounding achievement.
The amount of money required was staggering.
Suffered a staggering defeat.
The figure inside the boucle dress was stupefying.
Synonyms : astonishing, astounding, staggering
Meaning : Making physically stupid or dull or insensible.
Example :
A stupefying blow to the head.
The stupefying effects of hemp.
Meaning : Shocking with surprise and consternation.
Example :
The stupefying impact of the tragedy.