›the female being spoken about, the reflexive form of she: She kept telling herself that nothing was wrong.›Herself is sometimes used to emphasize a female subject or object of a sentence: She herself was to blame.(all) by herself›If a woman or girl does something (all) by herself, she does it alone or without help from anyone: Holly wrote her name all by herself.not herself›If a woman or girl is not herself, she is not in her usual mental or physical condition: Janeen hasn’t been herself recently.(all) to herself›If a woman or girl has something (all) to herself, she has it for her own use only: She’s got the house all to herself while her husband is away.