stupendous
adjective /stjuːˈpendəs/
/stuːˈpendəs/
(rather informal)- extremely large or impressive, especially greater or better than you expect synonym staggering
- stupendous achievements
- stupendous costs
- The film's special effects are stupendous.
Word Originmid 16th cent.: from Latin stupendus ‘to be wondered at’ (gerundive of stupere) + -ous.