Definition of personalities:
(n) :
Of people, a set of non-physical psychological and social qualities that make one person distinct from another.
(n) :
Of people, charisma; qualities that make a person stand out from the crowd.
(n) :
Of inanimate or abstract things, a set of qualities that make something distinctive or interesting.
(n) :
A celebrity, especially one with a strong media presence (e.g. an actor, singer or sports player).
(n) :
An assumed role or manner of behavior.
(n) :
(dated) Something said or written which refers to the person, conduct, etc., of some individual, especially something of a disparaging or offensive nature; personal remarks.