| Word | Definitions | Synonyms |
|---|---|---|
| unambiguous | (adjective) having or exhibiting a single clearly defined meaning | - |
| (adjective) admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion | Synonyms: unequivocal, univocal | |
| unambitious | (adjective) having little desire for success or achievement | Synonyms: ambitionless |
| unamended | (adjective) (of legislation) not amended | - |