How do you spell Oppress

Available Definitions:
1)  v. t. - To impose excessive burdens upon; to overload; hence, to treat with unjust rigor or with cruelty.
2)  v. t. - To ravish; to violate.
3)  v. t. - To put down; to crush out; to suppress.
4)  v. t. - To produce a sensation of weight in (some part of the body); as, my lungs are oppressed by the damp air; excess of food oppresses the stomach.