Definition of self-justifying in US English:

self-justifying

adjective

  • Aiming to justify or excuse oneself or one's actions.

    ‘the politicians' stories are self-justifying’
    ‘the morally self-justifying claim of "hard work"’

Pronunciation

self-justifying

/ˌsɛlfˈdʒəstəˌfaɪɪŋ//ˌselfˈjəstəˌfīiNG/