unrequested
abandoned
arbitrary
autonomous
deserted
discretional
discretionary
disregarded
elective
free
free will
gratuitous
groundless
half-done
ignored
independent
laid aside
left undone
missed
neglected
nonmandatory
offered
omitted
optional
overlooked
passed by
passed over
passed up
pigeonholed
proffered
put aside
self-acting
self-active
self-determined
self-determining
shunted
sidelined
sidetracked
slighted
spontaneous
unasked
unattended to
unbesought
unbidden
uncalled-for
uncared-for
unchaperoned
uncoerced
uncompelled
unconsidered
undone
authors'
bogus
confidential
in-game
inopportune
invaluable
neighborly
objectionable
outbound
outgoing
takeover
tax-deductible
unanticipated
unasked-for
undeserved
unicast
uninvited
unlooked-for
unsought
unwanted
well-meant
elicited
solicited