The meaning of manic is affected with, relating to, characterized by, or resulting from mania. How to use manic in a sentence. During a manic episode, someone may experience delusions of grandeur, an inflated sense of their own self-importance, or the mistaken belief that they are invulnerable or superior to others.

It is defined as an extremely unstable euphoric or irritable mood along with an excess activity or energy level, excessively rapid thought and speech, Ò€¦