Wordnet 3.0
ADJECTIVE (1)
1. 
 lacking care and attention; 
- Example: "untended garden was soon overgrown with weeds"- Example: "untended children"
WordNet (r) 3.0 (2006):
untended
    adj 1: lacking care and attention; "untended garden was soon
           overgrown with weeds"; "untended children"
Moby Thesaurus II by Grady Ward, 1.0:
46 Moby Thesaurus words for "untended":
   abandoned, available, deserted, disregarded, forsaken, free,
   godforsaken, half-done, ignored, laid aside, left undone, missed,
   neglected, omitted, open, overlooked, passed by, passed over,
   passed up, pigeonholed, put aside, run-down, shunted, sidelined,
   sidetracked, slighted, tenantless, unasked, unattended to,
   uncared-for, unchaperoned, unconsidered, undone, unfilled,
   uninhabited, unmanned, unoccupied, unpeopled, unpopulated,
   unregarded, unsolicited, unstaffed, untaken, untenanted, unwatched,
   vacant