From Longman Business Dictionarycognitive dissonancecog‧ni‧tive dis‧so‧nance /ˌkɒgnətɪv ˈdɪsənənsˌkɑːg-/ noun [uncountable] MARKETINGHUMAN RESOURCES when someone’s behaviour goes completely against their beliefsThe cognitive dissonance between the act of firing someone and the manager’s beliefs about what is decent behaviour can be extremely painful.