Synonyms and related words :
aleatoric, aleatory, amorphous, blobby, blurred, blurry, broad, chance, chancy, chaotic, confused, disordered, enwrapped in mystery, foggy, fuzzy, general, hazy, hit-or-miss, ill-defined, imprecise, inaccurate, inchoate, incoherent, incommunicable, indecisive, indefinite, indescribable, indeterminable, indeterminate, indistinct, ineffable, inenarrable, inexact, inexplicable, inexpressible, inextricable, innominable, insoluble, insolvable, lax, loose, mysterious, mystic, noncommunicable, nonspecific, obscure, orderless, random, shadowed forth, shadowy, shapeless, stochastic, sweeping, unaccountable, unclear, undefinable, undefined, undestined, undetermined, unexplainable, uninterpretable, unmentionable, unnameable, unplain, unsolvable, unspeakable, unspecified, untellable, unutterable, unwhisperable, vague, veiled