unknowable

• POS: Adjective, Noun
• HYPHEN: un=know=a=ble

OXFORD DICTIONARY

unknowable, adj. & n.
--adj. that cannot be known.
--n.
1 an unknowable thing.
2 (the Unknowable) the postulated absolute or ultimate reality.

THESAURUS

unknowable

Greek to one, able, ambiguous, arcane, beyond understanding, cabalistic, enigmatic, impenetrable, inarticulate, incalculable, incognizable, incoherent, incomprehensible, inscrutable, mysterious, mystic, numinous, past comprehension, puzzling, rambling, sealed, strange, unapparent, unapprehended, unascertained, unbeknown, uncharted, unclassified, unconnected, undisclosed, undiscoverable, undiscovered, undivulged, unexplained, unexplored, unexposed, unfamiliar, unfathomable, unfathomed, ungraspable, unguessed, unheard, unheard-of, unidentified, unimaginable, unintelligible, uninvestigated, unknown, unperceived, unplumbed, unrevealed, unsearchable, unsuspected, untouched, virgin

ROGET THESAURUS

unknowable

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.