from
The Collaborative International Dictionary of English v.0.48
Unconscionable \Un*con"scion*a*ble\
([u^]n*k[o^]n"sh[u^]n*[.a]*b'l), a.
1. Not conscionable; exceeding the limits of any reasonable
claim or expectation; not conforming to reason;
unreasonable; inordinate; extravagant; as, an
unconscionable person or demand; unconscionable size.
[1913 Webster]
Which use of reason, most reasonless and
unconscionable, is the utmost that any tyrant ever
pretended. --Milton.
[1913 Webster]
His giantship is gone somewhat crestfallen,
Stalking with less unconscionable strides. --Milton.
[1913 Webster]
2. Not guided by, or conformed to, conscience; that cannot be
done in good conscience; as, unconscionable profits.
[1913 Webster +PJC]
Ungenerous as well as unconscionable practices.
--South.
[1913 Webster] -- {Un*con"scion*a*ble*ness}, n. --
{Un*con"scion*a*bly}, adv.
[1913 Webster]