irreformable

adjective

ir·​re·​form·​able ˌir-i-ˈfȯr-mə-bəl 

1

: incapable of being reformed : incorrigible

2

: not subject to revision or alteration

irreformable dogma

irreformability

ˌir-i-ˌfȯr-mə-ˈbi-lə-tē 

noun

Synonyms

• hopeless
• incorrigible
• incurable
• irrecoverable
• irredeemable
• irremediable
• irretrievable
• unrecoverable
• unredeemable

Examples of irreformable in a Sentence

an irreformable liar who long ago lost all interest in telling the truth

Word History

First Known Use

1609, in the meaning defined at sense 1