impenetrable

Synonyms

incomprehensible, unfathomable, ungraspable, unintelligible;

Antonyms

fathomable, intelligible, understandable;

Near Antonyms

basic, elemental, elementary, essential, fundamental, rudimentary, underlying;

coherent, connected, ordered, orderly, organized, systematic, systematized;

clear, cogent, compelling, convincing, lucid, pellucid, perspicuous, plain, straightforward;

Related Words

abstruse, enigmatic (also enigmatical), esoteric, indecipherable, inscrutable, recondite, unsearchable;

cryptic, darkling, deep, mysterious, mystic, oblique, obscure, occult, uncanny;

unanswerable, unknowable;

baffling, bewildering, confounding, confusing, mystifying, perplexing, puzzling;

inconceivable, unimaginable, unthinkable;