To a deep extent or degree; very greatly.
Richly.
So as to extend far down or far into something.
In a profound, not superficial, manner.
At depth.
In large volume.
Soundly; so as to be hard to rouse.
In an extreme or major way; majorly
Used to attempt to introduce a serious point in a less serious conversation.
In a serious or literal manner.
Used to call back to a previous point, in disbelief or for emphasis.
Gravely; deeply; very much.