Vague or not clearly defined or stated.

Roget 119: aoristic; indefinite.   

Roget 519: unintelligible, unaccountable, undecipherable, undiscoverable, unknowable, unfathomable; incognizable^†, inexplicable, inscrutable; inapprehensible^†, incomprehensible; insolvable^†, insoluble; impenetrable.    illegible, as Greek to one, unexplained, paradoxical; enigmatic, enigmatical, puzzling (secret) 533; indecipherable.    obscure, dark, muddy, clear as mud, seen through a mist, dim, nebulous, shrouded in mystery; opaque, dense; undiscernible etc. (invisible) 447^†; misty etc. (opaque) 426; hidden etc. 528; latent etc. 526.    indefinite, garbled etc. (indistinct) 447; perplexed etc. (confused) 59; undetermined, vague, loose, ambiguous; mysterious; mystic, mystical; acroamatic^†, acroamatical^†; metempirical; transcendental; occult, recondite, abstruse, crabbed.    inconceivable, inconceptible^†; searchless^†; above comprehension, beyond comprehension, past comprehension; beyond one's depth; unconceived.    inexpressible, undefinable, incommunicable.    unpredictable, unforeseeable.    ... meer laten zien

Roget 495: erroneous, untrue, false, devoid of truth, fallacious, apocryphal, unreal, ungrounded, groundless; unsubstantial etc. 4; heretical etc. (heterodox) 984; unsound; illogical etc. 477.    inexact, unexact inaccurate^†, incorrect; indefinite etc. (uncertain) 475.    illusive, illusory; delusive; mock, ideal etc. (imaginary) 515; spurious etc. 545; deceitful etc. 544; perverted.    controvertible, unsustainable; unauthenticated, untrustworthy.    exploded, refuted; discarded.    in error, under an error etc. n.; mistaken etc. v.; tripping etc. v.; out, out in one's reckoning; aberrant; beside the mark, wide of the mark, wide of the truth, way off, far off; astray etc. (at fault) 475; on a false scent, on the wrong scent; in the wrong box, outside the ballpark; at cross purposes, all in the wrong; all out.    ... meer laten zien

Roget 447: invisible, imperceptible; undiscernible^†, indiscernible; unapparent, non-apparent; out of sight, not in sight; a perte de vue [Fr.]; behind the scenes, behind the curtain; viewless, sightless; inconspicuous, unconspicuous^†; unseen etc. (see) etc. 441; covert etc. (latent) 526; eclipsed, under an eclipse.    dim etc. (faint) 422; mysterious, dark, obscure, confused; indistinct, indistinguishable; shadowy, indefinite, undefined; ill-defined, ill-marked; blurred, fuzzy, out of focus; misty etc. (opaque) 426; delitescent^†.    hidden, obscured, covered, veiled (concealed) 528.    ... meer laten zien

Roget 105: infinite; immense; numberless, countless, sumless^†, measureless; innumerable, immeasurable, incalculable, illimitable, inexhaustible, interminable, unfathomable, unapproachable; exhaustless, indefinite; without number, without measure, without limit, without end; incomprehensible; limitless, endless, boundless, termless^†; untold, unnumbered, unmeasured, unbounded, unlimited; illimited^†; perpetual etc. 112.    ... meer laten zien

Roget 475: uncertain; casual; random etc. (aimless) 621; changeable etc. 149.    doubtful, dubious; indecisive; unsettled, undecided, undetermined; in suspense, open to discussion; controvertible; in question etc. (inquiry) 461.    vague; indeterminate, indefinite; ambiguous, equivocal; undefined, undefinable; confused etc. (indistinct) 447; mystic, oracular; dazed.    perplexing etc. v.; enigmatic, paradoxical, apocryphal, problematical, hypothetical; experimental etc. 463.    unpredictable, unforeseeable (unknowable) 519.    fallible, questionable, precarious, slippery, ticklish, debatable, disputable; unreliable, untrustworthy.    contingent, contingent on, dependent on; subject to; dependent on circumstances; occasional; provisional.    unauthentic, unauthenticated, unauthoritative; unascertained, unconfirmed; undemonstrated; untold, uncounted.    in a state of uncertainty, in a cloud, in a maze; bushed, off the track; ignorant, etc. 491; afraid to say; out of one's reckoning, astray, adrift; at sea, at fault, at a loss, at one's wit's end, at a nonplus; puzzled etc. v.; lost, abroad, d_esorient_e; distracted, distraught.    ... meer laten zien

Not decided or not known.