Definition of themselves pronoun from the Oxford Advanced American Dictionary



/ðəmˈsɛlvz; ðɛmˈsɛlvz/
1 (the reflexive form of they) used when people or animals performing an action are also affected by itThey seemed to be enjoying themselves.The children were arguing amongst themselves.They've bought themselves a new car.2 used to emphasize they or a plural subjectThey themselves had had a similar experience.Don and Julie paid for it themselves.3 used instead of himself or herself to refer to a person whose sex is not mentioned or not knownThere wasn't anyone who hadn't enjoyed Although this use of themselves is fairly common, especially in spoken English, many people think it is not correct.IDIOMS

(all) by themselves

1 alone; without anyone elseThey wanted to spend the evening by themselves.2 without helpThey did the cooking by themselvesall by themselves

(all) to themselves

for them alone; not shared with anyone
to themselvesall to themselves