English

Adjective

inoppugnable ‎(comparative more inoppugnable, superlative most inoppugnable)

1. (rare) Indisputable, incontestable, unquestionable.
   • 1654, Walter Charleton, Physiologia Epicuro-Gassendo-Charletoniana: or a fabrick of science natural, upon the hypothesis of atoms, chap. V., sect. II, page 40:

     two inoppugnable reasons

   • 1698, John Turner, A phisico-theological discourse upon the Divine Being, or first cause of all things, providence of God, general and particular, separate existence of the human soul, certainty of reveal'd religion, fallacy of modern inspiration, and danger of enthusiasm, page 63:

     Moreover, as this inoppugnable Propensity to Religion is a Cyon of God's own ingraffing on the Mind of Man, so also is it out of his power, tho' assisted by all the hellish Stratagems, totally to eradicate it thence.

   • 1840, Charles A. Dana in James Harrison Wilson, The Life of Charles A. Dana, Harper & Brothers (1907), page 21:

     I am glad to see, in your account of miscellaneous reading, authors of such inoppugnable orthodoxy as Coleridge and Carlyle.

   • 1934, Hugh MacDiarmid, Selected Poetry, New Directions Publishing (1993), (ISBN 9780811212489), page 153:

     Do not argue with me. Argue with these stones. / Truth has no trouble in knowing itself. / That is it. The hard fact. The inoppugnable reality, / Here is something for you to digest. / Eat this and we'll see what appetite you have left / For a world hereafter.

2. (nonce meaning) Insuperable.
   • 1650, Walter Charleton, tr. Jean Baptiste van Helmont, A Ternary of Paradoxes: The Magnetick Cure of Wounds. The Nativity of Tartar in Wine. The Image of God in Man, James Flesher, ch. 10, Art. 8, page 340:

     [...] the disease [...] will be so violent and inoppugnable by the force of Nature, that the Temperament of Peters body [...] will thereby be dissolved, and so Death shall invevitably succeed.

Synonyms

• (incontestable, incontrovertible): unassailable, apodictic, incontestable, incontrovertible, indisputable, indubitable, irrefutable, irrefragable, unanswerable, undeniable, unquestionable

Antonyms

• (incontestable, incontrovertible): dubious, disputable, questionable

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Translations