1. Markedly different from an accepted norm
   "deviant ideas";
   - aberrant, deviate

1. A person whose behaviour deviates from what is acceptable especially in sexual behaviour
   "The community was shocked to learn that a deviant had been living in their neighbourhood";
   - pervert, deviate, degenerate, perv [informal], perve [informal]
    
2. A thing, phenomenon, or trend that deviates from an expectation or pattern
   "The statistical analysis identified several deviants in the data set"

Derived forms: deviants

See also: abnormal, unnatural

Type of: miscreant, reprobate

Encyclopedia: Deviant