Devise  

Verb | dih-vahyz
to come up with (a plan)

Desolate  

Adjective | des-uh-lit
bare, barren, empty

Deplete  

Verb | dih-pleet
to (over)use over time (usually resources)

Demur  

Verb | dih-mur
to object to

Demonstrate  

Verb | dem-uhn-streyt
to do as an example

Deficient  

Adjective | dih-fish-uhnt
not enough in degree or amount

Deference  

Noun | def-er-uhns
respect; regard

Brevity  

Noun | brev-i-tee
the quality of being brief or terse