This is the 14035th most frequent Russian word.
огромного
"Огромного" means "huge" or "enormous" in English.
In this sentence, the word 'огромного' is in the genitive case and describes the noun 'льва' (lion), agreeing in gender, number, and case as an adjective indicating the lion's large size.
В центре зала стояла статуя огромного льва.
A statue of a huge lion stood in the center of the hall.
The word 'огромного' is attributing the quality of being immense to the abstract noun 'успеха' (success), emphasizing magnitude.
Примеры огромного успеха вдохновляют нас.
Examples of great success inspire us.
Here, 'огромного' modifies 'количества' (quantity), illustrating it as very extensive or vast in scale.