Definition of post-truth in English:

post-truth

adjective

  • Relating to or denoting circumstances in which objective facts are less influential in shaping public opinion than appeals to emotion and personal belief:

    ‘in this era of post-truth politics, it's easy to cherry-pick data and come to whatever conclusion you desire’
    ‘some commentators have observed that we are living in a post-truth age’

Pronunciation:

post-truth

/ˌpəʊs(t)ˈtruːθ/