Definition of vainglorious in English:

vainglorious

adjective

literary
  • Excessively proud of oneself or one's achievements; overly vain.

    ‘this vainglorious boast of personal infallibility’
    • ‘His vainglorious speech at the Oscar ceremony claimed a new dawn for British cinema.’
    • ‘His fatuous smile alone would have aroused their ire before he opened his vainglorious mouth.’
    • ‘The ghost of his old partner, Jacob Marley, warns Scrooge of his vainglorious ways.’
    • ‘Like many vainglorious self-publicists, he probably thought he could charm the acid interviewer.’
    • ‘His promise to the commissioner of more to come is not just a journalist's vainglorious bluster.’

Pronunciation

vainglorious

/veɪnˈɡlɔːrɪəs/