What is reversative prefixes​

Reversative prefixes refer to the reversal of something and privative prefixes are used to convey the idea of “lacking.” ... When this prefix is used to modify a verb, un- means “to undo or reverse the action.” For example, untie, unfasten, unbuckle,and others

Prefix and suffix are said to be the common characteristics of all languages of the Indo -European family . There are several processes of word formations in the English language . Prefix , suffix , and infix in one word is addressed as affix . The English language is replete with innumerable words which have been created by the method of prefixation.

Prefixes have been classified into many categories but among them reversative prefixes are very important with a view to word formation . A prefix is added at the beginning of a word . The reversative prefixes always signify ' the opposite of ' and ' negation ' . They are used with verb , adjective, adverb , and abstract noun . For example , ' uncertainty , unwillingness , unemployed , unclear , unwillingly , unkindly , impossible , etc.

Explanation:

Examples:

Prefix         meaning                                       examples

anti-    against/opposed to anti-government, anti-racist, anti-war

auto-   self                     autobiography, automobile

de-    reverse or change    de-classify, decontaminate, demotivate

dis-   reverse or remove    disagree, displeasure, disqualify