Them*selves" (?), pron. The plural of himself, herself, and itself. See Himself, Herself, Itself.

Them*selves" (?), pron. The plural of himself, herself, and itself. See Himself, Herself, Itself.

• (the reflexive case of they, the third-person plural personal pronoun) The people previously mentioned, as the object of a verb or following a preposition, where the people are also the subject of the verb; also used for emphasis.
       (reflexively): They've hurt themselves.
       (after a preposition): They fought among themselves.
       (for emphasis): They are going to try climbing Mount Everest themselves.
  
• The person of unspecified gender previously mentioned, as the object of a verb or following a preposition, where the person is also the subject of the verb; also used for emphasis.
       (reflexively): Would whoever stole my phone please make themselves known.
       (after a preposition): They've brought this on themselves.
       (for emphasis): One of the children did this themselves.