“confusing”

Intricately twisted and difficult to navigate or understand, like a maze.

“The tax code's labyrinthine rules left even seasoned accountants scratching their heads.”

Best for: Works well in formal writing when describing complex systems or bureaucracies.

Excessively complicated and difficult to understand, often involving hidden layers of complexity.

“The Byzantine approval process required seventeen signatures before a single staple could be purchased.”

Best for: Best for describing needlessly convoluted procedures or politics; carries a slightly sardonic tone.

Difficult to understand because it is obscure or deals with highly specialized knowledge.

“His abstruse lecture on quantum topology emptied the auditorium by the second slide.”

Best for: Ideal for academic or intellectual contexts where something is hard to grasp rather than just complicated.

Unclear and difficult to make sense of, with a sense of hidden or obscured meaning.

“The contract's murky wording left both parties convinced they had won the negotiation.”

Best for: Punchy and immediate; great for journalism or casual but sharp writing.

Impossible to see through or understand clearly, offering no transparency of meaning.

“His motives remained utterly opaque, even to those who had known him for decades.”

Best for: Clean and versatile; works in both formal and literary contexts for people or ideas that resist understanding.

Highly intricate and entangled, curled inward upon itself in a way that resists easy unraveling.

“The novel's involute plot rewarded only readers willing to map its threads across two notebooks.”

Best for: A rare and precise choice for literary criticism or dense descriptive prose; seldom used conversationally.