Complex covers music, sneakers, style, and pop culture — breaking news, exclusive interviews, and the latest drops, all in one place. COMPLEX definition: 1. involving a lot of different but related parts: 2. difficult to understand or find an answer to…. Learn more. complex, complicated, intricate, involved, knotty mean having confusingly interrelated parts. complex suggests the unavoidable result of a necessary combining and does not imply a fault or failure. Some common synonyms of complex are complicated, intricate, involved, and knotty. While all these words mean having confusingly interrelated parts, complex suggests the unavoidable result of a necessary combining and does not imply a fault or failure. COMPLEX meaning: 1. involving a lot of different but related parts: 2. difficult to understand or find an answer to…. Learn more. Shop exclusive drops, including apparel, vinyl, posters, and more, available on Complex Shop. This disambiguation page lists articles associated with the title Complex. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.