Deeply or seriously thoughtful.
Broody; incubating eggs by sitting on them.
A spell of brooding; the time when someone broods.
Serious, high-level; significant
Of or pertaining to a major sports league; belonging to the professional level of a sport, such as US baseball.
Analogous in importance to a major league sports team.
An association of sports teams which plays at the highest skill level of its sport, especially Major League Baseball.
The highest level of competition in a field of endeavor.