oppressive

adjective4

1. •
   Tyrannical or exercising unjust power.

   • The oppressive land-owners kept a grip on the labourers.
2. •
   Burdensome or difficult to bear.

   • The oppressive tax laws made it difficult to start a small company.
3. •
   Weighing heavily on the spirit; being quite intense, excessive or overwhelming.

   • Will the oppressive heat of summer never end?
4. •
   Hot and humid.