ginuti

1. (in war or accidents) to be killed; to perish
   Na našim putevima svake godine gine previše ljudi. — Too many people are killed on our roads every year.
   U tom ratu su ginuli i civili. — Civilians were also being killed in that war.
2. colloq. (+ za + instr.) to pine for; to be dying for
   Gine za njom još od srednje škole. — He's been pining for her since high school.
3. colloq. (+ za + acc., na + loc.) to work oneself to death; to give one's all
   Gine na poslu po ceo dan, a plata mala. — He works himself to death all day long, and the pay is poor.
   Ceo život gine za tu decu. — She has given her all for those children her whole life.

The perfective is poginuti; ginuti is used for repeated or ongoing loss of life. Note the case: ginuti za nekim (instrumental) is to pine for someone, while ginuti za nekoga / za nešto (accusative) is to give one's all for someone or something.