Burdensome or difficult to bear. / Tyrannical or exercising unjust power. / Weighing heavily on the spirit; intense, or overwhelming / Hot and humid of the weather.

In an oppressive manner.

The characteristic of being oppressive.

plural of oppressiveness

(transitive) To keep down by unjust force. / (transitive) To make sad or gloomy. / (transitive, obsolete) Physically to press down on (someone) with harmful effects; to smother, crush.

The exercise of authority or power in a burdensome, cruel, or unjust manner. / The act of oppressing, or the state of being oppressed. / A feeling of being oppressed.

Subject to oppression.

simple past tense and past participle of oppress

present participle of oppress

Third-person singular simple present indicative form of oppress