This is the 926th most frequent Russian word.
огромный
Enormous; huge.
Here, 'огромное' describes the noun 'здание' implying its exceptional size, demonstrating its primary use as an adjective representing physical largeness.
Это было огромное здание.
It was a huge building.
In this sentence, 'огромным' is used to describe the significance or scale of a conceptual entity, showing the adjective's ability to convey figurative magnitude.
Его вклад в проект оказался огромным.
His contribution to the project turned out to be immense.
The word 'огромную' is applied to an emotional state, 'радость', indicating the adjective's versatility in describing both tangible and intangible features.