Inoppugnable

Full definition of inoppugnable

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 , 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), , 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.

1652, Walter Charleton, The Darkness of Atheism Dispelled by the Light of Nature, William Lee, 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.
1919, Hugh MacDiarmid, â€œMountain Measureâ€, in Northern Numbers, T. N. Foulis (1920), page 69:The barrier vast and inoppugnable a mountain range