inharmonious
unharmonious
unsettled
ambitendent
ambivalent
arguable
at loose ends
capricious
changeable
debatable
double-minded
dubious
faltering
fence-sitting
fence-straddling
fickle
hesitant
hesitating
indecisive
indefinite
infirm of purpose
irresolute
irresolved
mercurial
moot
mugwumpian
mugwumpish
mutable
of two minds
open
open to question
pending
problematical
questionable
shilly-shally
unanswered
uncertain
undecided
undetermined
unsolved
unsure
vacillating
vague
wavering
acrimonious
age-old
arab-israeli
centuries-old
cosmological
deep-seated
dynastic
existential
factional
insurmountable
interpersonal
irreconcilable
jurisdictional
long-standing
long-suppressed
marital
pent-up
psychosocial
sectional
unappeased
unexplained
unreconciled
unspoken
absolved
devolved
dissolved
evolved
involved
resolved
revolved
solved