Synonyms and Antonyms of impenetrable
1
impossible to get through or into
- the ancient temple was surrounded by vast stretches of impenetrable jungle
close, compact, dense, thick, tight
compressed, condensed
sturdy, substantial, tough
firm, frozen, hard, solid, stiff
inflexible, rigid, unbending, unyielding
2
being beyond one's powers to know, understand, or explain
- the mysteries of that religion are completely impenetrable to outsiders
dark, darkling, fuzzy, murky, obscure, shadowy, vague
ambiguous, equivocal
imponderable, incomprehensible, unfathomable, unintelligible, unsearchable
inexplicable, unaccountable, unexplainable
unanswerable, unknowable
metaphysical, mystical, numinous, supernatural
abstruse, esoteric, recondite
baffling, befuddling, bewildering, confounding, confusing, disorienting, mystifying, perplexing, puzzling
fathomable, intelligible, understandable
apparent, clear, evident, manifest, obvious, open-and-shut, palpable, patent, perspicuous, plain, straightforward, transparent, unambiguous, unequivocal, unmistakable
3
impossible to understand
- the textbook's language is completely impenetrable, at least to me
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
basic, elemental, elementary, essential, fundamental, rudimentary, underlying
easy, simple
coherent, connected, ordered, orderly, organized, systematic, systematized
clear, cogent, compelling, convincing, lucid, pellucid, perspicuous, plain, straightforward
