incorrigible

 
Pronunciation: /ɪnˈkɒrɪdʒɪb(ə)l/

adjective

  • (of a person or their behaviour) not able to be changed or reformed: she’s an incorrigible flirt

noun

  • an incorrigible person: all repeat offenders, but none of them real hard-case incorrigibles

Derivatives

incorrigibility

Pronunciation: /-ˈbɪlɪti/
noun

incorrigibly

adverb
[as submodifier]: the incorrigibly macho character of news-gathering operations

Origin:

Middle English: from Old French, or from Latin incorrigibilis, from in- 'not' + corrigibilis (see corrigible)

Spelling help

Remember that incorrigible has a double r and ends with -ible.