Of depth; not capable of being sounded or measured.

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.    ... show more

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.    ... show more

Roget 192: large, big; great etc. (in quantity) 31; considerable, bulky, voluminous, ample, massive, massy; capacious, comprehensive; spacious etc. 180; mighty, towering, fine, magnificent.    corpulent, stout, fat, obese, plump, squab, full, lusty, strapping, bouncing; portly, burly, well-fed, full-grown; corn fed, gram fed; stalwart, brawny, fleshy; goodly; in good case, in good condition; in condition; chopping, jolly; chub faced, chubby faced.    lubberly, hulky, unwieldy, lumpish, gaunt, spanking, whacking, whopping, walloping, thumping, thundering, hulking; overgrown; puffy etc. (swollen) 194.    huge, immense, enormous, mighty; vast, vasty; amplitudinous, stupendous; monster, monstrous, humongous, monumental; elephantine, jumbo, mammoth; gigantic, gigantean, giant, giant like, titanic; prodigious, colossal, Cyclopean, Brobdingnagian, Bunyanesque, Herculean, Gargantuan; infinite etc. 105.    large as life; plump as a dumpling, plump as a partridge; fat as a pig, fat as a quail, fat as butter, fat as brawn, fat as bacon.    immeasurable, unfathomable, unplumbed; inconceivable, unimaginable, unheard-of.    of cosmic proportions; of epic proportions, the mother of all, teh granddaddy of all.    ... show more

Roget 85: numeral, numerical; arithmetical, analytic, algebraic, statistical, numerable, computable, calculable; commensurable, commensurate; incommensurable, incommensurate, innumerable, unfathomable, infinite.    ... show more

Resembling an abyss in depth; so deep as to be unmeasurable.

synonyms: abysmal, abyssal.

Roget 208: deep, deep seated; profound, sunk, buried; submerged etc. 310; subaqueous, submarine, subterranean, subterraneous, subterrene^†; underground.    bottomless, soundless, fathomless; unfathomed, unfathomable; abysmal; deep as a well; bathycolpian^†; benthal^†, benthopelagic^†; downreaching^†, yawning.    knee deep, ankle deep.    ... show more

Polish: niezgłębiony, bezdenny, przepastny, przepaścisty

Incapable of being fully understood.

Polish: niedocieczony