| A | B |
| dissolution | break down; bringing to an end |
| divergent | separating; moving in different directions |
| dogmatic | insisting on one's opinion without proofs; pushy |
| doleful | sad; depressed |
| dolt | stupid person |
| dormant | not actively growing or functioning; asleep; inactive |
| dour | sullen; gloomy; stern; hard |
| duplicity | sneakiness; deceit; deliberate deception |
| diligent | hardworking |
| discredit | to harm or lose reputation of; dishonor or disgrace |
| distended | stretch out or expand |