This is the 496th most frequent Ukrainian word.
великий
"Big" or "large."
The word 'великий' is used to describe the size of the house.
У нього великий дім.
He has a big house.
Here, 'велика' expresses the significance or importance of the event, not its physical size.
Це була велика подія для нас.
It was a major event for us.
In this sentence, 'велике' is metaphorical, describing generosity and kindness.