impenetrable
[adjective]
Synonyms:
- solid, dense, impassable, impermeable, impervious, inviolable, thick
- incomprehensible, arcane, enigmatic, inscrutable, mysterious, obscure, unfathomable, unintelligible

---

Antonyms: penetrable
Related Words: firm, solid, substantial

[TahlilGaran] English Synonym Dictionary ▲

im‧pen‧e‧tra‧ble /ɪmˈpenətrəbəl, ɪmˈpenɪtrəbəl/ adjective

1. impossible to get through, see through, or get into:
The trees formed a dark and impenetrable barrier.
the impenetrable blackness of the night

2. very difficult or impossible to understand:
impenetrable legal jargon
—impenetrably adverb
—impenetrability /ɪmˌpenətrəˈbɪləti, ɪmˌpenɪtrəˈbɪləti/ noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲

impenetrable
adj.
I. impossible to enter/get through
VERBS appear, be, look, seem | become | find sth They found the jungle virtually impenetrable.
ADV. almost, nearly, virtually

[TahlilGaran] Collocations Dictionary ▲

impenetrable
II. impossible to understand
VERBS be, seem | become | remain | find sth
ADV. almost, virtually | somewhat I find his style somewhat impenetrable.
seemingly
PREP. to The language of this document would be impenetrable to anyone except a specialist.

[TahlilGaran] Collocations Dictionary ▲