by oneself
• alone.
• "she lives in the apartment by herself"
Similar:
alone,
all alone,
on one's own,
in a solitary state,
singly,
separately,
solitarily,
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.
• "the patient often learns to undress by himself"
Similar:
unaided,
unassisted,
without help,
without assistance,
by one's own efforts,
under one's own steam,
independently,
single-handed(ly),
solo,
on one's own,
alone,
all alone,
off one's own bat,
on one's own initiative,