filling ones position (verb) substitute: interchange, exchange
Sinonime: Byzantine, Daedalean, Gordian,
abstruse,
arduous, can of worms,
convoluted,
difficult,
elaborate, entangled,
fancy, gasser,
hard, hi-tech, interlaced,
intricate,
involved, knotty,
labyrinthine, mega factor,
mixed,
perplexing,
problematic, puzzling,
recondite,
sophisticated,
troublesome,
various, wheels within wheels
Antonime: easy,
facile,
simple