Top definition
adj. - 1.)To remorse a missed opportunity.

2.)Or used to describe the sound made when the abbreaviation for Rolling On the Floor Laughing is used.
1.) Rueful!! That was hilarious.

2.) Man, I'll bet that guy in TFC is rueing the day he was born after what I did to him
by Anonymous March 03, 2003
Get the mug
Get a rueful mug for your friend Jovana.