huge; immense; vast;
something amazingly large.
I found a prodigious eye looking at me. It was time to start rowing the boat.
prodigious reminds of prod.
I prod you with my finger to look at it- because it is amazing.
We won a prodigious client. It's going to be a great year because they have a lot of money.
(c) 2015 E. Carruthers