diffuse

wordy; verbose; rambling; spread out (like a gas); V: spread out in all directions; disperse; N. diffusion; CF. suffuse

dignitary

person of high rank or position

digression

wandering away from the subject; V. digress

dilapidated

falling to pieces; in a bad condition; ruined because of neglect; Ex. dilapidated old car/castle; N. dilapidation

dilate

expand; dilate on/upon: speak or write at length on (a subject)

dilatory

delaying; tending to delay

dilemma

situation that requires a choice between equally unfavorable options; problem; choice of two unsatisfactory alternatives

dilettante

aimless follower of an art or a field of knowledge (not taking it seriously); amateur; dabbler; CF. delight