adhesive
obstinate
stubborn
unregenerate
adamant
adherent
amylaceous
assiduous
balking
balky
bigoted
bound
bound and determined
bulldogged
bulldoggish
bulldoggy
bulletheaded
bullheaded
cartilaginous
case-hardened
chewy
clabbered
clammy
clinging
clingy
closefisted
clotted
coagulated
cohesive
committed
constant
continuing
coriaceous
curdled
decided
decisive
dedicated
definite
determined
devoted
diligent
dogged
dogmatic
doughy
durable
earnest
enduring
faithful
fanatic
fibrous
firm
ambitious
courageous
ferocious
indomitable
loyal
passionate
persistent
relentless
resolute
resourceful
self-reliant
strenuous
tough
unyielding
Ignatius
audacious
capacious
ceraceous
crustaceous
efficacious
fallacious
flirtatious
gracious
hellacious
herbaceous
loquacious
mendacious
ostentatious
perspicacious
predaceous
proteinaceous
salacious
sebaceous
spacious
vexatious
vivacious
voracious