abandoned arbitrary autonomous deserted discretional discretionary disregarded elective free free will gratuitous 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 unforced uninfluenced uninvited unlooked-for unpressured unprompted unregarded unrequested unrequired unsought untended unwatched voluntary volunteer willful