1 end the activity or existence of, esp. forcibly.
2 prevent (information, feelings, a reaction, etc.) from being seen, heard, or known (tried to suppress the report; suppressed a yawn).
3 a partly or wholly eliminate (electrical interference etc.). b equip (a device) to reduce such interference due to it.
4 Psychol. keep out of one's consciousness.
Derivatives:
suppressible adj. suppression n. suppressive adj. suppressor n.
Etymology: ME f. L supprimere suppress- (as SUB-, premere press)
Useful english dictionary. 2012.