| Term | Definition |
| decrepit | worn out , very old and not in good condition |
| libel | a false publication , as in writing , print etc., that damages a person's reputation |
| deference | behaviour that shows that you respect somebody |
| defunct | no longer existing |
| demagogue | a leader who obtains power by means of appeals to the emotions and prejudices of the populace |
| demeanour | behaviour of a person |
| dement | rendering insane , driving crazy |
| denizen | a resident or inhabitant of , native |
| deprave | to debase , especially morally , corrupt |
| derelict | deserted by an owner , abandoned |
| deride | to laugh at , ridicule |
| desecrate | to treat a holy thing without any respect |
| despicable | very unpleasant or evil |
| despoil | to steal something valuable , to plunder |
| desultory | going from one thing to another , with out a definite plan |
| detrimental | harmful , deleterious |
| devious | roundabout , indirect |
| devolve | to pass on |
| diabolic | wicked , extremely unpleasant |
| dialectic | art of debate |
| diatribe | a long bitter speech |
| diffident | not having much confidence in oneself , shy |
| dilapidated | old and in a very bad condition |
| diligent | persevering , pain staking effort |
| disavowal | denial , repudiation |
| disconcerted | make one feel uncomfortable and confused |
| discursive | wandering from one topic to another |
| disingenuous | not sincere |
| disparage | belittle |
| dissonance | discord , lack of agreement |
| doughty | courageous |
| draconian | very harsh |
| dulcet | sweet-sounding |