WordWeb Online

1. Causing privation; depriving
    
2. Consisting in the absence of something; not positive; negative
    
3. Implying privation or negation; giving a negative force to a word; as, alpha privative; privative particles; applied to such prefixes and suffixes as a- , un-, non-, -less

1. A term indicating the absence of any quality which might be naturally or rationally expected
    
2. That of which the essence is the absence of something

Derived forms: privatives

Encyclopedia: Privative