Repression

Repression may mean
 Memory inhibition, the ability to shut out memories 
 Political repression, the oppression or persecution of an individual or group for political reasons
 Psychological repression - excluding desires and impulses from one's consciousness
 Social repression, the socially supported mistreatment and exploitation of a group of people
 Genetic repression, the down-regulation of gene transcription by the action of repressor proteins binding to a promoter
 "Repression" (Star Trek: Voyager), an episode of the science fiction television series Star Trek: Voyager, the fourth episode of the seventh (and final) season of the series