persistent

equivalents

continual

obstinate

stubborn

unforgettable

unregenerate

synonyms

abiding

accordant

adherent

adhesive

age-long

aged

alike

ancient

antique

archaic

assiduous

automatic

balanced

beaten

booming

bound

bound and determined

bulldogged

bulldoggish

bulldoggy

bullheaded

changeless

chronic

clamant

clamorous

clingy

committed

consistent

consonant

constant

constant

continual

continuing

continuing

continuous

correspondent

crying

decided

decisive

dedicated

definite

demanding

determined

devoted

diligent

diuturnal

dogged

draining

durable

earnest

etymologically-related-terms

persist

persistence

persistently

same-contexts

bold

constant

desperate

insistent

intense

relentless

severe

steady

rhymes

assistant

consistent

distant

existent

inconsistent

insistent

nonexistent

resistant

self-consistent

antonyms

caducous

deciduous