adhesive
united
adhering
agglutinate
cartilaginous
chewy
cleaving
clinging
coherent
cohering
coriaceous
durable
fibrous
gristly
hard
hardy
holding together
impartible
indiscerptible
indissoluble
indissolvable
indivisible
infrangible
infusible
inseparable
insoluble
lasting
leatherlike
leathery
resistant
ropy
sinewy
stick
sticking
stiff
stringy
strong
stubborn
stuck
tenacious
tough
tough as leather
undividable
unified
untiring
vigorous
viscid
wiry
cohere
coherence
cohesion
close-knit
concise
crystalline
decentralize
deductive
expeditionary
ferruginous
friable
holistic
homogeneous
informative
logistical
manageable
multinational
organizational
paramilitary
protoplasmic
regressive
sustainable
viscous
well-arranged
well-organized
workable