| Word | Definitions | Synonyms |
|---|---|---|
| unhealthfulness | (noun) the quality of promoting poor health | - |
| unhealthiness | (noun) a state in which you are unable to function normally and without pain | Synonyms: health problem, ill health |
| unhelpfulness | (noun) an inability to be helpful | - |
| ununhexium | (noun) a radioactive transuranic element, with atomic number 116 | Synonyms: atomic number 116, element 116, Uuh |