a. ? Obs. [ad. L. argūmentāl-is, f. argūment-um: see ARGUMENT sb.] Of, pertaining to, or characterized by, argument; argumentative.

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1595.  Markham, Sir R. Grinuile (Arb.), 49 (D.). With instances and argumentall sawes.

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c. 1710.  Pope, On Silence, 16.

          Afflicted Sense thou kindly dost set free,
  Oppress’d with argumental tyranny,
And routed Reason finds a safe retreat in thee.

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1774.  Westm. Mag., II. 283. The most vociferous and argumental coxcomb existing.

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