intransient

synonyms

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

permanent

perpetual

persistent

persisting

remaining

remaining

sempervirent

stable

staying

steadfast

tough

unfading

vital

same-contexts

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