complicated Synonyms

complex perplexing bewildering hard intricate thorny convoluted problematic confusing involved tangled sophisticated elaborate labyrinthine difficult knotty quadripartite seriatim sensitive raveled rugged recondite rococo rough serious plicated puzzling mystifying nodulous operose parasynthetic parathetic pathless peristaltic perplexed impenetrable polygonal precarious precocious profound multiplex serpentine troublesome trying twisted unwieldy wildering unfathomable te backbreaking