dialectic power

diametrically opposite

dictatorial manner

dictionary significance

didactic exposition [didactic = intended to be morally instructive]

different distortion

difficult portraiture

diffident civility [diffident = lacking self-confidence; shy; timid]

diffuse verbosity

dignified austerity

digressional adventure

dilettante mind [dilettante = dabbler in a field of knowledge]

diligently propagated

dim comprehension

diminished efficacy