languor:
lack of energy or vitality.

learn you a lesson:

to show someone (or thing) that they are wrong or that they do poorly in reference to a specific field through punishment or humiliation

[Example]

"You think you're good at video games? Give me that controller and I'll learn you a lesson!"

littoral:
on a coastal or shore region.

lorimer:
A maker of bits, spurs and other small metal accessories for horses.

luminary:

any body that gives light; also, a person of eminence or brilliant achievement.