n. 25B6; noun
a complication concerning ownership : DIFFICULTY, problem, obstacle, hurdle, stumbling block; drawback, snag, catch, hitch, fly in the ointment; Brit. spanner in the works; informal hiccup, prob, headache, facer.
the complication of life in our society : COMPLEXITY, complicatedness, intricacy, convolutedness.
straightforwardness.