Weighing heavily on the mind or spirits; causing depression or discomfort. The oppressive silence in the room made everyone feel uneasy.
Unjustly inflicting hardship and constraint, especially on a minority or other subordinate group. The oppressive regime was known for its harsh treatment of dissenters.
Excessively hot and humid, making it difficult to breathe or be comfortable. The oppressive heat of the summer made it hard to enjoy outdoor activities.