razbliuto 

noun

the sentimental feeling you have about someone you once loved but no longer do

I'm not sad, razbliuto gets to me every time I hear his name.

razbliuto by StayPutDarling July 1, 2009

Razbliuto 

A Russian word that means: The empty feeling you have for someone you once loved, but no longer with.

When I think about my ex, I feel razbliuto.

Razbliuto by Crystalbell September 12, 2013

razldiuto 

the feeling a person has for someone he or she once loved but now does not (russian)

from Howard Rheingold's
"They Have A Name For It"

"Thinking about your ex?"
"Yeah, I'm feeling a bit razldiuto"

razldiuto by copyedit February 11, 2005