| Circuitous | indirect, taking the longest route. |
| Collaborate | to cooperate, work together. |
| Compassion | sympathy, helpfulness or mercy |
| Compromise | to settle a dispute by terms agreeable to both sides |
| Condescending | possessing an attitude of superiority, patronizing. |
| conditional | depending on a condition, in a contract. |
| Conformist | person who complies with accepted rules and customs |
| congregation | a crowd of people, an assembly. |
| Convergence | the state of separate elements joining or coming together. |
| Deleterious | harmful, destructive, detrimental. |
| Demagogue | leader, rubble-rouser, usually appealing to emotion or prejudice. |
| Digression | the act of turning aside, straying from the main point, in a speech or argument. |
| Diligent | careful and hard-working. |
| Discredit | to harm the reputation of, dishonor or disgrace. |
| Disdain | to regard with scorn or contempt. |