| annoying(tricky, complicated, thorny, spiky, spiny) |
| barbed(tricky, complicated, thorny, spiky, spiny) |
| bothersome(tricky, complicated, thorny, spiky, spiny) |
| brambly(tricky, complicated, thorny, spiky, spiny) |
| briery(tricky, complicated, thorny, spiky, spiny) |
| bristly(tricky, complicated, thorny, spiky, spiny) |
| complicated(tricky, thorny, spiky, spiny) |
| echinate(adjective, thorny) |
| intricate(tricky, complicated, thorny, spiky, spiny) |
| involved(tricky, complicated, thorny, spiky, spiny) |
| knotty(tricky, complicated, thorny, spiky, spiny) |
| nettlesome(tricky, complicated, thorny, spiky, spiny) |
| pointed(tricky, complicated, thorny, spiky, spiny) |
| prickly(thorny, spiky, spiny) |
| sharp(tricky, complicated, thorny, spiky, spiny) |
| spiky(thorny, spiny, pricky) |
| spiny(tricky, complicated, thorny, spiky) |
| stimulating(tricky, complicated, thorny, spiky, spiny) |
| thorny(spiky, spiny) |
| ticklish(tricky, complicated, thorny, spiky, spiny) |