1
left undone
1
lonesome(quiet, lonely)
1
lost(verb, forgot)
1
marred(shabby, worn, dingy, seedy, damaged)
1
miscarried
1
mislaid
1
moldy(adjective, nasty, odd, old, primitive)
1
musty(adjective, nasty, odd, out, old)
1
neglect
1
neglecting
1
neglects
1
not current(expression, odd, out, old, primitive)
1
not modern(expression, odd, out, old, primitive)
1
not with it(expression, idiom, odd, out, old)
1
obliterated(verb, forgot)
1
obsolete(adjective, odd, old, primitive, unfashionable)
1
odd(adjective, out, old, primitive, unfashionable)
1
of old(expression, odd, old, primitive, unfashionable)
1
of olden days(expression, idiom, odd, out, old)
1
of the old school(expression, idiom, odd, out, old)
10 years ago|7.6k views|share |citing 
APASmart Define. (2016). neglected thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/neglected/thesaurus/synonyms
ChicagoSmart Define. 2016. "neglected thesaurus" https://smartdefine.org/neglected/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, neglected thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/neglected/thesaurus/synonyms>.
MLASmart Define. "neglected thesaurus" 10 February 2016. Web. 23 September 2026. <https://smartdefine.org/neglected/thesaurus/synonyms>