Suppress = to end something by force; prevent from being known or seen
- The government suppressed the pro-democracy movements by lathi-charge and arrests.
- They could not suppress the rebellion by force.
- She suppressed her feelings for the sake of peace.
- He managed to suppress his irritation.
Oppress = 1. rule people unjustly or cruelly
- For years people of Uganda were oppressed by the ruthless dictator Idi Ameen.
- Oppressive laws and rules.
- A cruel tendency to oppress racial minorities.
- Years of violence and oppression.
Oppress = 2. cause to feel troubled or uncomfortable
- Oppressive weather/heat.
- The strange dream about his gloomy future oppressed him.