abiding
age-long
aged
ancient
antique
chronic
constant
continuing
diuturnal
durable
enduring
evergreen
hardy
immutable
inveterate
lasting
long-lasting
long-lived
long-standing
long-term
longeval
longevous
macrobiotic
of long duration
of long standing
perdurable
perduring
perennial
permanent
perpetual
persistent
persisting
remaining
sempervirent
stable
staying
steadfast
tough
unfading
vital
3-round
6-round
Beverly
asymptotic
full-auto
half-made
polaron
rambunctious
receiving-room
resync
rief
smoke-wreathed
star-shell
teeth-rattling
ten-round
three-shot
unclassed
unpatterned
war-torn
white-red