repress
Concise Oxford English Dictionary © 2008 Oxford University Press:
repress/rɪˈpres/
▶verb
- 1 subdue by force.
- 2 restrain, prevent, or inhibit.
■ suppress (a thought, feeling, or desire) in oneself so that it becomes or remains unconscious.
- 3 Biology prevent the transcription of (a gene).
– derivatives
represser noun,
repressible adjective,
repression noun.
represser noun,
repressible adjective,
repression noun.
– origin ME: from L. repress-, reprimere ‘press back, check’.
'repress' also found in these Oxford entries:

