RichThesaurus
wheels within wheels
wheels within wheels
synonyms
convoluted
interlaced
can of worms
involved
fancy
Daedalean
difficult
perplexing
intricate
entangled
elaborate
various
Gordian
mixed
recondite
hi-tech
troublesome
hard
mega factor
problematic
gasser
complicated
abstruse
labyrinthine
sophisticated
puzzling
Byzantine
arduous
knotty
wheels within wheels
antonyms
easy
facile
simple