| various(adjective, hard, fancy, difficult, complex) |
| vicissitude(noun, trouble, difficulty, drag, hardship) |
| want(noun, trouble, difficulty, drag, hardship) |
| waves(end, development, issue, effect, result) |
| wilderness |
| worry |
| worst(difficulty, hardship, misfortune) |
| Gordian knot(noun, expression, trouble, difficulty, mess) |
| Pandora's box |
| balls-up |
| baroque(adjective, difficult, complex, sophisticated, involved) |
| botheration(noun, trouble, dispute, difficulty, issue) |
| bottom line(expression, issue, effect, result, outcome) |
| catch(noun, difficulty, hindrance, hitch, setback) |
| chaotic place |
| complex problem(noun, expression, trouble, difficulty, mess) |
| complexity(noun, trouble, difficulty, mess) |
| complicated(adjective, difficult, complex, sophisticated, involved) |
| complicated situation(noun, expression, trouble, difficulty, mess) |
| daedal(adjective, difficult, complex, sophisticated, involved) |