Wordwyrt

impenetrable

/ˌɪmˈpenətɹəbəl/im-PEH-nuh-truh-buhl
/ˌɪmˈpɛnətɹəbəl/im-PEH-nuh-truh-buhl

Meaningunable to be pierced

Common meaning: impossible to get through

‘in, into’ + ‘to go into, pierce’ → impenetrable

Journey through time

  1. Latinpenetrō, -āre‘to go into, pierce’
  2. Englishimpenetrable‘impossible to get through’ · today

im- also in: imbibeimmureimpaleimpartimpede

penetr also in: penetrate

Sources & notes

Meaning: “Meaning” is the sense that emerges from the word’s roots; “Common meaning” is today’s everyday sense. Both written by us.

Pronunciation

  • UK IPA: converted from the US form by rule (unchecked). Respelling: generated.
  • No UK recording; the speaker uses your device’s en-GB voice.
  • US IPA: CMUdict (BSD-2), converted to IPA by rule. Respelling: generated.
  • No US recording; the speaker uses your device’s en-US voice.

Origin: Built on Latin penetrō ‘to go into, pierce’.

Did you know: our wording, based on Lewis & Short, Latin Dictionary (1879), entry penetrō, p. 1329 · dictionary scan

Roots

Related words

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