(ordered by popularity)
spiritual
own
religious
personal
long
human
endless
eternal
constant
hopeless
romantic
common
lifelong
intellectual
fruitless
scientific
philosophical
heroic
ongoing
vain
futile
unending
desperate
relentless
ceaseless
successful
metaphysical
mystical
year
perpetual
inner
eager
universal
passionate
restless
impossible
noble
elusive
insatiable
quixotic
obsessive
ultimate
sacred
continuous
difficult
continual
earnest
persistent
perennial
holy
dangerous
mad
unsuccessful
bridal
solitary
perilous
lonely
philosophic
mystic
unceasing
existential
strange
urgent
frantic
epic
continued
mutual
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