ph.
without authorization
Oxford Dictionary
ph.
outside working hours; without being paid
Oxford American Dictionary
ph.
in one's own territory or concerning one's own range of knowledge or experience
Oxford American Dictionary
ph.
without being prompted by others
Oxford Dictionary
ph.
without being prompted by others
Oxford American Dictionary
Oxford Dictionary
ph.
for one's own purposes; for oneself
Oxford Dictionary
ph.
in one's own territory or area of knowledge or experience
Oxford Dictionary