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English Lexicon

Inexpugnable

/ɪnˈɛk.spʌɡ.nə.bəl/
adjectiveCEFR C2 (Proficient)Top #15420 frequency
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Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Impossible to defeat, overcome, or take by force; impregnable.

    "The ancient fortress stood on the high cliff, appearing completely inexpugnable to any invading army."
  2. 2

    Impossible to refute or disprove; invincible in argument or logic.

    "She presented an inexpugnable defense of her scientific thesis that left the committee with no grounds for objection."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin adjective inexpugnabilis, formed from the negative prefix in- ('not') and expugnare ('to take by storm, conquer'), combining ex- ('out, thoroughly') and pugnare ('to fight'). Entering the English language in the late 15th century, it has retained its precise formal meaning denoting absolute invulnerability to assault or conquest.

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