unwarrantable

un- +‎ warrantable

unwarrantable (comparative more unwarrantable, superlative most unwarrantable)

1. Not warrantable; indefensible; not vindicable; not justifiable

   Synonyms: illegal, unjust, improper

   • 1661, Joseph Glanvill, The Vanity of Dogmatizing, London: Henry Eversden, Chapter 15, pp. 136-137,

     Another thing, that engageth our affections to unwarrantable conclusions, and is therefore fatal to Science; is our doting on Antiquity, and the opinions of our Fathers.

   • 1776, Thomas Paine, Common Sense, Philadelphia, “The Necessity of Independancy,” p. 70,

     […] the taking up arms, merely to enforce the repeal of a pecuniary law, seems as unwarrantable by the divine law, and as repugnant to human feelings, as the taking up arms to enforce the obedience thereto.

   • 1847, Emily Brontë, Wuthering Heights, Chapter 14,

     ‘ […] Don’t persist, sir! or else I shall be obliged to inform my master of your designs; and he’ll take measures to secure his house and its inmates from any such unwarrantable intrusions!’

• unwarrantability
• unwarrantableness
• unwarrantably
• unwarranted
• unwarrantedly

• unwarrantable in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• unwarrantable in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.