| A | B |
| Diatribe | n a bitter, abusive denunciation |
| Dichotomy | n division into two parts |
| Diffuse | v to cause to spread out; to cause to disperse; to disseminate |
| Dilapidated | adj broken-down |
| Dilemma | n a situation in which one must choose between two equally attractive choices; any problem or predicament |
| Dire | adj disastrous; desperate |
| Dirge | n a funeral song |
| Disarray | n disorder; confusion |
| Disclaim | v to deny any claim; to renounce |
| Discomfit | v to frustrate; to confuse |
| Disconcert | v to upset; to ruffle; to perturb |
| Discourse | n spoken or written expression is words; conversation |
| Discrepancy | n difference; inconsistency |
| Discursive | adj rambling from one topic to another |
| Disgruntle | v to make sulky and dissatisfied; to discontent |