To secretly harbour feelings of ill will against somebody. Secret hatred. Anonymous + Animosity = Anonimosity
Nobody can ever know that I actually can't stand that guy. I feel anonimosity towards him.
etymology = anonymous + animosity
when half of a divided group of people gathers information from the other half, creating suspicion and fueling the hatred they already felt for each other.
they hired a spy, not knowing it would create a strong sense of anonimosity