(1):

(a.) Using oppression; tyrannical; as, oppressive authority or commands.

(2):

(a.) Heavy; overpowering; hard to be borne; as, oppressive grief or woe.

(3):

(a.) Unreasonably burdensome; unjustly severe, rigorous, or harsh; as, oppressive taxes; oppressive exactions of service; an oppressive game law.