noun which may take the genitive case particle 'no', noun
Describes a situation where objective facts are less influential in shaping public opinion than appeals to emotion and personal beliefs. Often used attributively with の.
ポストトゥルースの時代には、感情的な訴えが事実よりも重視される。
In the post-truth era, emotional appeals are valued more than facts.
この政治家はポストトゥルースな主張を繰り返している。
This politician keeps making post-truth claims.