abandoned, deserted, disregarded, half-done, ignored, laid aside, left undone, missed, neglected, omitted, overlooked, passed by, passed over, passed up, pigeonholed, put aside, sidelined, sidetracked, slighted, unasked, unattended to, uncared-for, unchaperoned, unconsidered, undone, unregarded, unsolicited, untended, unwatched