By 'burn out', I am assuming you mean 'exhausted'. If so, 'burn out' is a noun, as in: "He is suffering from burn out", whereas "burn himself out" is a verb, as in "he worked so hard that he burned himself out".
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AnonymousBurn out or burn himself out. Which one is correct?They are both valid English expressions, but if we say they are both correct, you may put one of them in a sentence and create an error. We can't say if it's correct if you don't tell us how you are going to use it. Post a sentence when asking this kind of questi