complex
crooked
difficult
hard
tangled
Byzantine
Herculean
abstruse
arduous
beyond one
brutal
burled
complicated
crabbed
cramp
critical
daedal
delicate
demanding
difficile
effortful
elaborate
exacting
formidable
garbled
gnarled
gnarly
gordian
hairy
hard to understand
hard-earned
hard-fought
intricate
involved
jawbreaking
jumbled
knobbed
knobbly
knobby
knoblike
knotted
knurled
knurly
laborious
labyrinthine
lumpy
mean
no picnic
knottier
knottiest
arthritic
beefy
bony
calloused
fleshless
leafless
limber
meaty
oaken
pudgy
rheumatic
scaly
sinewy
skeletal
spindly
sticklike
stubby
thorny
vex
wide-spreading
wither
Amati
Bhatti
Candiotti
Kiribati
Lahti
Lottie
Marathi
Pavarotti
Scottie
Scotty
dotty
karate
literati
potty
spotty
squatty
totty