impenetrable (adjective) impenetrable: dense
Sinonime: ailing, beat up, bedraggled, crummy, decaying, decrepit, dingy, dog-eared, down-at-the-heel, drooping, droopy,
faded, flagging, frowzy, gone to seed, grubby, in a bad way, mangy,
messy, neglected, old, overgrown,
poor,
poorly, ragged, ratty, sagging, scruffy,
shabby, sickly,
sleazy*, slovenly,
squalid, tacky, tattered, threadbare, tired,
torn,
unkempt, untidy, unwell, used up, wilted, wilting,
wornAntonime: luxurious,
nice,
posh