| vagueness(noun, quality, ambiguity, haziness) |
| haziness(noun, quality, vagueness, ambiguity) |
| obscurity(noun, quality, vagueness, ambiguity, haziness) |
| unclearness(noun, quality, vagueness, ambiguity, haziness) |
| ambiguity(noun, quality, vagueness, haziness) |
| ambiguousness(noun, quality, vagueness, ambiguity, haziness) |
| blurredness(noun, quality, vagueness, ambiguity, haziness) |
| cloudiness(noun, quality, vagueness, ambiguity, haziness) |
| elusiveness(noun, quality, vagueness, ambiguity, haziness) |
| equivocalness(noun, quality, vagueness, ambiguity, haziness) |
| formlessness(noun, quality, vagueness, ambiguity, haziness) |
| fuzziness(noun, quality, vagueness, ambiguity, haziness) |
| imprecision(noun, quality, vagueness, ambiguity, haziness) |
| indistinctness(noun, quality, vagueness, ambiguity, haziness) |
| mystery(noun, conundrum, twister, stumper, brain-teaser) |
| nebulousness(noun, quality, vagueness, ambiguity, haziness) |
| problem(noun, conundrum, twister, stumper, brain-teaser) |
| uncertainty(noun, quality, vagueness, ambiguity, haziness) |
| brain-teaser(noun, difficult, issue, question, task) |
| brain-twister(noun, conundrum, twister, stumper, brain-teaser) |