stupefying
From Longman Dictionary of Contemporary Englishstupefyingstu‧pe‧fy‧ing /ˈstjuːpəfaɪ-ɪŋ $ ˈstuː-/ adjective SHOCKmaking you feel extremely surprised, tired, or bored a stupefying amount of money —stupefy verb [transitive]Examples from the Corpusstupefying• The amount of money raised from the event is stupefying.