Complexity is a term that can refer to a variety of different concepts, and the crossword solutions for this term reflect this. MUDDLE (6 letters) is a state of confusion or disorder, while CONVOLUTION (11 letters) is a complex or intricate arrangement. IMBROGLIO (9 letters) is a complicated and confused situation, and ENTANGLEMENT (12 letters) is a state of being tangled up in something. COMPLICATION (12 letters) is a situation that is difficult to understand or resolve, and MAZE (4 letters) is a complex network of paths or passages. CHAOS (5 letters) is a state of complete disorder or confusion, and WEB (3 letters) is an intricate structure of interconnecting parts. DEPTH (5 letters) is the quality of being difficult to understand or penetrate, and INTRICACY (9 letters) is a complex or detailed arrangement.