Convoluted means so twisted and involved that it is hard to follow. A convoluted argument, convoluted rules, needlessly convoluted.
It is always a criticism, and calling an explanation convoluted says the difficulty is in the telling rather than the subject. The literal sense is coiled, which is why the folds of the brain are called convolutions.
1adjectiveconvolutedSo twisted and involved that it is hard to follow.
“The film's plot was so convoluted that I lost track halfway through.”
convoluted is a quality.
From convolute + -ed.
Etymology from Wiktionary, CC BY-SA