Yes.
big
Big headed means having a high opinion of yourself.
if you mean "hosta" as a plant the older they are the bigger they grow.
Butt , 2 butts, 3 btts
No, something can be complex but not be very big. Is your IPod big? It could be said to be complex or diffcult to understand if you are 81 years old. Get the idea?
Immense is a synonym for the word big. It begins with the letter i.
Massive is an adjective, not to be confused with massif which is a noun.
Immense, large, huge, gigantic, or enormous immense is my personal favorite :)
large, great
huge
immense fence
Immense means programs that had data. It is to support interactive visual exploration.
A mixture of amazing and immense.
Absolutely.
immense
Gigantic, Humongous, Colossal, Immense
Large, immense, massive, extensive, bulky