| intricate(adjective, hard, simple, fancy, obscure) |
| tortuous(adjective, obscure, difficult, complex, sophisticated) |
| complex(adjective, hard, simple, fancy, difficult) |
| labyrinthine(adjective, hard, simple, fancy, obscure) |
| involved(adjective, hard, simple, fancy, obscure) |
| tangled(verb, adjective, simple, obscure, difficulty) |
| knotty(adjective, hard, simple, fancy, obscure) |
| complicated(adjective, simple, obscure, difficulty, difficult) |
| Byzantine(adjective, hard, simple, fancy, obscure) |
| twisted(verb, adjective, convolution) |
| winding(adjective, convolution) |
| puzzling(adjective, hard, fancy, obscure, difficult) |
| sinuous(adjective, twisting, convolution, winding) |
| difficult(adjective, hard, fancy, complex, sophisticated) |
| elaborate(adjective, hard, simple, fancy, difficult) |
| perplexing(adjective, hard, fancy, obscure, difficult) |
| coiled(verb, adjective) |
| mazy(adjective, convolution) |
| serpentine(adjective, sly, convolution, winding) |
| daedal(adjective, simple, difficult, complex, sophisticated) |