on one's own
• unaccompanied by others; alone or unaided.
• "she's not here now and I have to do things on my own"
Similar:
alone,
all alone,
(all) by oneself,
in a solitary state,
single,
solitary,
unaccompanied,
companionless,
partnerless,
unattended,
unescorted,
unchaperoned,
solo,
by one's lonesome,
on one's tod,
on one's lonesome,
on one's jack,
on one's Jack Jones,
unaided,
unassisted,
without help,
without assistance,
(all) alone,
by one's own efforts,
under one's own steam,
independently,
single-handed(ly),
standing on one's own two feet,
off one's own bat,
on one's own initiative,
Opposite:
in company,
jointly,
with help,
of one's own
• belonging to oneself alone.
• "at last I've got a place of my own"
