Cognitive Dissonance
noun /ˈkɒɡnɪtɪv ˈdɪsənəns/ — The discomfort of holding two conflicting beliefs.
Definition
The mental discomfort experienced when a person holds two or more contradictory beliefs, values, or attitudes simultaneously.
Beyond the definition
The concept that explains so much human behavior — why people defend bad decisions, ignore inconvenient facts, or explain away their own contradictions. Understanding it is like getting a manual for how minds protect themselves.
Origin & history
Coined by psychologist Leon Festinger in 1957, from Latin cognitio (knowledge) + dissonantia (discord).
Example sentences
Illustrative sentences for learning, not verified community posts or sourced quotations.
The cognitive dissonance of eating a salad while planning a late-night pizza is relatable.
He experienced cognitive dissonance supporting policies that hurt people he loved.
Cognitive dissonance, not logic, is what drives most political behavior.
Synonyms
internal conflict, contradiction, mental tension, double-think
Antonyms
consistency, congruence, alignment
Related words
- confirmation-bias
- rationalization
- paradox
Cognitive Dissonance vs hypocrisy
Cognitive dissonance is the internal psychological tension caused by holding two conflicting beliefs. Hypocrisy is the external behavior of professing standards or beliefs that one does not practice.
Word in the Wild
See how this word appears in life, language and stories.
Illustrative sentences and imagined stories for learning — not verified sightings, interviews, or sourced quotations.
Fictional scene
Two people debating at crossroads
Two adults stand at a crossroads in the woods, each pointing to a different, conflicting path while debating intensely.
The clash between the two individuals and their contradictory paths illustrates the mental discomfort of holding mutually exclusive beliefs, mirroring the internal struggle of reconciling opposing worldviews simultaneously.
Image credit: Wordspun · AI-generated conceptual illustration