Here’s how Dr. Robyn Silverman explains bullying on Good Morning America:

A: AGGRESSIVE: Is it aggressive? Bullying feels like an attack.

B: BALANCE of power: Is the balance of power unequal? Bullying involves uneven power such that age, popularity. size, ability, clout and special needs can play a role.

C: CONSISTENT: Is this happening often or only once? Bullying involves a pattern of consistent incidents. 

D: DELIBERATE: Is there an intention to harm, hurt or provoke? Bullying is intentional not accidental.