1. To hold back by an act of volition: couldn't repress a smirk.2. To put down by force, usually before total control has been lost; quell: repress a rebellion.3.Psychology To exclude (painful or disturbing memories, for example) automatically or unconsciously from the conscious mind. 4.Biology To block (transcription of a gene) by combination of a protein to an operator gene.
INTRANSITIVE VERB:
To take repressive action.
ETYMOLOGY:
Middle English repressen, from Latin reprimere, repress- : re-, re- + premere, to press; see per-4 in Appendix I.