Definition of kompromat in US English:

kompromat

noun

  • Compromising information collected for use in blackmailing, discrediting, or manipulating someone, typically for political purposes.

    ‘the leak shows that kompromat need not reveal anything illegal to be damaging’

Origin

Russian, short for komprometirujuščij material ‘compromising material’.

Pronunciation

kompromat

/ˌkɑmprəˈmɑt//ˌkämprəˈmät/