| Word | Definitions | Synonyms |
|---|---|---|
| unicameral | (adjective) composed of one legislative body | - |
| unicellular | (adjective) having or consisting of a single cell | - |
| unicorn | (noun) an imaginary creature represented as a white horse with a long horn growing from its forehead | - |
| unicuspid | (adjective) having a single cusp or point | - |
| unicycle | (noun) a vehicle with a single wheel that is driven by pedals | Synonyms: monocycle |
| (verb) ride a unicycle | - | |
| unicyclist | (noun) a person who rides a unicycle | - |