unconscionable Meaning, Definition & Usage

adjective satellite lacking a conscience
conscienceless.
- a conscienceless villain
- brash, unprincipled, and conscienceless
- an unconscionable liar
adjective satellite greatly exceeding bounds of reason or moderation
extortionate; usurious; outrageous; exorbitant; steep.
- exorbitant rent
- extortionate prices
- spends an outrageous amount on entertainment
- usurious interest rate
- unconscionable spending

Not conscionable; not conforming to reason; unreasonable; exceeding the limits of any reasonable claim or expectation; inordinate; as, an unconscionable person or demand; unconscionable size.
Which use of reason, most reasonless and unconscionable, is the utmost that any tyrant ever pretended. Milton.

His giantship is gone somewhat crestfallen, Stalking with less unconscionable strides. Milton.
Not guided by, or conformed to, conscience. Obs.
Ungenerous as well as unconscionable practices. South.
-- Un*con"scion*a*ble*ness, n. -- Un*con"scion*a*bly, adv.