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1.
Clinging to a belief that was once rational but current circumstances have rendered irrational.
At the Democratic National Convention, some Hillary supporters clung to the post-rational belief that Hillary could be the Democratic nominee.
by Jayrosh August 26, 2008

Words related to post-rational

crazy insane irrational postrational rational
 
2.
Taking postmodernism one step too far.
We are experiencing postrational politics in this election.
by Jane Lorraine August 26, 2008