THESAURUS
incomprehensible
Greek to one, abstruse, all-comprehensive, all-inclusive, ambiguous, antic, arcane, baffling, beguiling, bewildering, beyond understanding, boundless, countless, cryptic, dark, deep, endless, enigmatic, eternal, exceptional, exhaustless, extending everywhere, extraordinary, fabulous, fanciful, fantastic, fascinating, illimitable, illimited, immeasurable, immense, impenetrable, impossible, inarticulate, incalculable, incognizable, incoherent, inconceivable, incredible, indecipherable, inexhaustible, infinite, infinitely continuous, innumerable, inscrutable, interminable, interminate, limitless, marvelous, measureless, miraculous, mysterious, mystifying, no end of, numinous, obscure, occult, opaque, outlandish, passing strange, past comprehension, perpetual, perplexing, phenomenal, prodigious, puzzling, rambling, rare, recondite, remarkable, sensational, shoreless, strange, striking, stupendous, sumless, termless, unaccountable, unbelievable, unbounded, uncircumscribed, unconnected, undecipherable, unexpected, unfathomable, unheard-of, unimaginable, unintelligible, unique, universal, unknowable, unlimited, unmeasurable, unmeasured, unnumbered, unplumbed, unprecedented, unsearchable, untold, without bound, without end, without limit, without measure, without number, wonderful, wondrous
ROGET THESAURUS
incomprehensible
Infinity
N
infinity, infinitude, infiniteness, perpetuity, boundlessness, 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, infinitely, ad infinitum, as boundless as the sea.
Unintelligibility
N
unintelligibility, incomprehensibility, imperspicuity, inconceivableness, vagueness, obscurity, ambiguity, doubtful meaning, uncertainty, perplexity, spinosity, obscurum per obscurius, mystification, latency, transcendentalism, paradox, oxymoron, riddle, enigma, puzzle, diagnus vindice nodus, sealed book, steganography, freemasonry, pons asinorum, asses' bridge, high Dutch, Greek, Hebrew, jargon, 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), indecipherable, obscure, dark, muddy, clear as mud, seen through a mist, dim, nebulous, shrouded in mystery, opaque, dense, undiscernible, misty, hidden, latent, indefinite, garbled, perplexed, 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, it's Greek to me.