Oppression, in sociology, activism, social critiques, and other forms of discourse, is a term used to describe systems, relations, or behaviors which disadvantage some groups or individuals.
https://en.wikipedia.org/wiki/Oppression
: to treat (a person or group of people) in a cruel or unfair way. 1  The country has long been oppressed by a ruthless dictator. 2  They condemned attempts by the government to oppress its citizens. 3  people who have traditionally been oppressed by society.  oppressed minorities/people.
http://www.learnersdictionary.com/definition/oppress
Definition of oppression. 1  1a : unjust or cruel exercise of authority or power the continuing oppression of the … underclasses — H. A. Danielsb : something that oppresses especially in being an unjust or excessive exercise of power unfair taxes and other oppressions. 2 : a sense of being weighed down in body or mind : depression an oppression of spirits.
https://www.merriam-webster.com/dictionary/oppression
1, 2.See corresponding entry in Unabridged Oppress, depress, both having the literal meaning to press down upon, to cause to sink, are today mainly limited to figurative applications. To. oppress is usually to subject (a people) to burdens, to undue exercise of authority, and the like;
http://www.wordreference.com/definition/oppress
1, 2.See corresponding entry in Unabridged Oppress, depress, both having the literal meaning to press down upon, to cause to sink, are today mainly limited to figurative applications. oppress is sometimes used in this sense, it suggests a psychological attitude of more complete hopelessness:oppressed by a sense of failure.
http://www.wordreference.com/definition/oppress
oppress - definition and synonyms. What are red words? 90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent. The thesaurus of synonyms and related words is fully integrated into the dictionary.
http://www.macmillandictionary.com/dictionary/british/oppress
Learner's definition of OPPRESS. [+ object] 1. : to treat (a person or group of people) in a cruel or unfair way. The country has long been oppressed by a ruthless dictator. They condemned attempts by the government to oppress its citizens. people who have traditionally been oppressed by society.
http://www.learnersdictionary.com/definition/oppress
Oppression is when a person or group in a position of power controls the less powerful in cruel and unfair ways. Not cool. “Power concedes nothing without a demand.
https://www.vocabulary.com/dictionary/oppression
Definition of 'oppress'. oppress (əpres ) To oppress people means to treat them cruelly, or to prevent them from having the same opportunities, freedom, and benefits as others. These people often are oppressed by the governments of the countries they find themselves in. We are not normal like everybody else.
https://www.collinsdictionary.com/dictionary/english/oppress
WordReference Random House Unabridged Dictionary of American English © 2017. op•press (ə pres′),USA pronunciation v.t. to burden with cruel or unjust impositions or restraints; subject to a burdensome or harsh exercise of authority or power:a people oppressed by totalitarianism.
http://www.wordreference.com/definition/oppress
define oppress
An oppress means to treat a person or group of people in a cruel or unfair way. Oppress means that to treat a person or group of people in a cruel or unfair way. The define oppress is to treat  in a cruel or unfair way.