WordWeb Online

1. Put down by force or intimidation
   "The government represses any attempt of an uprising";
   - quash, keep down, subdue, subjugate, reduce
    
2. Impede or hinder the natural development or self-expression of
    
3. Suppress in order to conceal or hide
   "repress a cry of fear";
   - smother, stifle, strangle, muffle
    
4. (psychiatry) put out of one's consciousness
   - suppress
    
5. Block the action of
   "the process of repressing gene transcription"

Derived forms: repressed, repressing, represses

Type of: bottle up, bury, change, crush, disremember [US, informal], entrammel [literary], fetter [literary], forget, hinder, impede, inhibit, oppress, suppress, trammel [literary]