Unclearness by virtue of being poorly expressed or not coherent in meaning.

Roget 475: uncertainty, incertitude, doubt; doubtfulness etc. adj.; dubiety, dubitation^†, dubitancy^†, dubitousness^†.    hesitation, suspense; perplexity, embarrassment, dilemma, bewilderment; timidity etc. (fear) 860; vacillation etc. 605; diaporesis^†, indetermination.    vagueness etc. adj.; haze, fog; obscurity etc. (darkness) 421; ambiguity etc. (double meaning) 520; contingency, dependence, dependency, double contingency, possibility upon a possibility; open question etc. (question) 461; onus probandi [Lat.]; blind bargain, pig in a poke, leap in the dark, something or other; needle in a haystack, needle in a bottle of hay; roving commission.    precariousness etc. adj.; fallibility.    ... show more

Roget 517: meaninglessness, unmeaningness etc. adj.^†; scrabble.    empty sound, dead letter, vox et praeterea nihil [Lat.]; a tale told by an idiot, full of sound and fury, a tale told by an idiot, full of sound and fury, signifying nothing;" sounding brass and a tinkling cymbal.   " nonsense, utter nonsense, gibberish; jargon, jabber, mere words, hocus-pocus, fustian, rant, bombast, balderdash, palaver, flummery, verbiage, babble, baverdage, baragouin^†, platitude, niaiserie^†; inanity; flap-doodle; rigmarole, rodomontade; truism; nugae canorae [Lat.]; twaddle, twattle, fudge, trash, garbage, humbug; poppy-cock [U.S.]; stuff, stuff and nonsense; bosh, rubbish, moonshine, wish-wash, fiddle-faddle; absurdity etc. 497; vagueness etc. (unintelligibility) 519.    [routine or reflexive statements without substantive thought, esp. legal] boilerplate, clich??.    ... show more

Roget 519: unintelligibility; incomprehensibility, imperspicuity^†; inconceivableness, vagueness etc. adj.; obscurity; ambiguity etc. 520; doubtful meaning; uncertainty etc. 475; perplexity etc. (confusion) 59; spinosity^†; obscurum per obscurius [Lat.]; mystification etc. (concealment) 528; latency etc. 526; transcendentalism.    paradox, oxymoron; riddle, enigma, puzzle etc. (secret) 533; diagnus vindice nodus [Lat.]; sealed book; steganography^†, freemasonry.    pons asinorum [Lat.], asses' bridge; high Dutch, Greek, Hebrew; jargon etc. (unmeaning) 517.    ... show more

Roget 571: obscurity etc. (unintelligibility) 519; involution; hard words; ambiguity etc. 520; unintelligibleness; vagueness etc. 475, inexactness etc. 495; what d'ye call 'em etc. (neologism) 563^†; darkness of meaning.    ... show more

Dutch: vaagheid
Polish: niewyraźność

Indistinctness of shape or character.

Polish: niewyrazistość, nieokreśloność