1. To utter a plaintive, high-pitched, protracted sound, as in pain, fear, supplication, or complaint.
2. To complain or protest in a childish fashion.
3. To produce a sustained noise of relatively high pitch
whimper,snivel,creak,grizzle, screech, squeak
It takes a genius to whine appealingly.
Example of "to utter a complaining cry or a cry of suffering" is
The dog whines when it's left alone in the house.
Example of "to make a similar noise" is
I could hear the engine whine.
Example of "to complain unnecessarily" is
Stop whining about how difficult this job is!