pron.
1. a emphat. form of SHE or HER (she herself will do it). b refl. form of HER (she has hurt herself).
2 in her normal state of body or mind (does not feel quite herself today).
Phrases and idioms:
be herself act in her normal unconstrained manner. by herself see by oneself.
Etymology: OE hire self (as HER, SELF)