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1. Lack of harmony or correspondence
    
2. A lack of orthodoxy in thoughts or beliefs
   - nonconformism, nonconformance
    
3. Unorthodoxy as a consequence of not conforming to expected standards or values
    
4. Failure to conform to accepted standards of behaviour
   - nonconformance

Derived forms: nonconformities

Type of: disagreement, failure, heresy, heterodoxy, unorthodoxy

Antonym: compliance, conformity

Encyclopedia: Nonconformity