persistent
unrelenting
relentless
eonian
nevah
never ever
never-dying
not while pussy's a cat
when two Sundays meet
when two Sundays come together
uneverted
Nevuary
nooit
deathless
semper-
undying
⠐⠑
unperpetual
fadelessness
immortality
unabiding
perpetuous
nonasterisked
nonperpetual
infinitely
endlessly
uncheckered
in no way
unstraying
unremitting
foreverness
nonrestrained
everlastingly
sempiternous
unprostrated
uniterable
⠁⠇⠺
perpetually
intentionless
nonenduring
unexpeditated
unperpetuated
unconstant
break even
undiscarded
impermanent
untolerised
tenuously
momentary
full speed ahead