n.
1.
Intricacy, intricateness, complexity, obscurity, hardness, complication, involution, unintelligibility, entanglement.
2.
Concern, care, anxiety, solicitude, trouble, embarrassment, distraction, doubt, confusion, bewilderment.
3.
Embarrassment, difficulty, strait, hobble, pickle, critical situation, plight, predicament, dilemma, quandary, pass, pinch, scrape.