| Word | Definitions | Synonyms |
|---|---|---|
| sediment | (noun) matter that has been deposited by some natural process | Synonyms: deposit |
| sedimentation | (noun) the phenomenon of sediment or gravel accumulating | Synonyms: alluviation, deposit |
| sedition | (noun) an illegal action inciting resistance to lawful authority and tending to cause the disruption or overthrow of the government | - |