| clutter(noun, uncertainty, perplexity, bewilderment, puzzlement) |
| contradictory |
| cramped |
| critical(difficulty, delicate, awkward, complicated) |
| delicate(hard, difficulty, awkward, uneasy, tricky) |
| discomfiting(noun, adjective, difficult, confusion, uncertainty) |
| dubious(strange, odd, unclear, indistinct, indistinguishable) |
| dumbfounding(noun, confusion, uncertainty, turmoil, embarrassment) |
| elaborate(adjective, hard, fancy, difficult, complex) |
| embroiling(noun, verb, confusion, uncertainty, turmoil) |
| flabbergasting |
| funny(adjective, strange, odd, bizarre, peculiar) |
| harassing(verb, hard, tough, severe, offensive) |
| insoluble |
| irregular(odd, bizarre, outlandish) |
| irritating(adjective, hard, severe, offensive, distressing) |
| knotted(adjective, complicated) |
| nonplussing |
| obscuring(noun, verb, confusion, uncertainty, turmoil) |
| perturbing(hard, severe, offensive, distressing, upsetting) |