repress
Pronunciation: /rɪˈprɛs/
verb
- subdue (someone or something) by force: the uprisings were repressed
- restrain, prevent, or inhibit (the expression or development of something): Isabel couldn’t repress a sharp cry of fear
- suppress (a thought or desire) so that it becomes or remains unconscious: the thought that he had killed his brother was so terrible that he repressed it
- Biology prevent the transcription of (a gene).

Origin:
Middle English (in the sense 'keep back something objectionable'): from Latin repress- 'pressed back, checked', from the verb reprimere, from re- 'back' + premere 'to press'