1. astonishing, astounding, staggering, stupefying

so surprisingly impressive as to stun or overwhelm

Example Sentences:
'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
• stupefying