• IPA: /əˈseɪləbl̩/

assailable

1. Not defended or not able to be defended; able to be assailed or attacked.
   • 1851 November 13, Herman Melville, “Moby Dick”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, OCLC 57395299 ↗, page 203 ↗:

     All that most maddens and torments ; all that stirs up the lees of things ; all truth with malice in it ; all that cracks the sinews and cakes the brain ; all the subtle demonisms of life and thought ; all evil, to crazy Ahab, were visibly personified, and made practically assailable in Moby Dick.

• unassailable