American Dictionary
Definition oneself in American English
oneself pronoun
pronounOneself is a reflexive pronoun, which can be used in the following ways:
as an object that refers back to the pronoun “one” when it is the subject of the sentence: One should be careful not to hurt oneself.
as an object when no subject is mentioned: It’s essential not to let oneself be frightened.
used for emphasizing that you and not anyone else does something
It's important to complete the application forms oneself.
