Gigantic
Part of speech: adjective
Definition: Very large. In the manner of a giant.
Example sentence: Without Jupiter cleaning out the early solar system, the Earth would be pock-marked with meteor collisions. We would suffer from asteroid impacts every day. CNN studios would probably be a gigantic crater it if wasn't for Jupiter.
Large
Part of speech: adjective
Definition: Of considerable or relatively great size or extent.
Example sentence: The most satisfying thing in life is to have been able to give a large part of one's self to others.