Deploy

to arrange strategically

Depravity

extreme wickedness

Deprecate

to express disapproval of

Despot

an absolute ruler

Deter

to discourage; to keep someone from doing something

Devoid

entirely without; lacking

Diatribe

A bitter verbal attack

Diffident

lacking self-confidence; timid

Diminution

the act or process of diminishing; reduction

Dire

disastrous; desperate