i Register
In some senses, oppress is marked as obsolete. Watch for register when choosing this word.
verb
To keep down by unjust force.
The rural poor were oppressed by the land-owners.
To make sad or gloomy.
We were oppressed by the constant grey skies.
Physically to press down on (someone) with harmful effects; to smother, crush.
Most mercilesse of women, VVyden hight, / Her other sonne fast sleeping did oppresse, / And with most cruell hand him murdred pittilesse.
To sexually violate; to rape.
noun
Oppression.