If married but separated living in the same house is it considered adultery if wife gets pregnant by someone else?

In general, adultery is defined as a voluntary sexual relationship between a married person and someone who is not their spouse. If a wife becomes pregnant by someone else while separated but still living with her husband, it can be considered adultery, depending on the laws of the jurisdiction and the specifics of their separation. Legal definitions can vary, so it's advisable to consult a legal expert for clarity in such situations.