| unnoticeable |
combined form of noticeable. |
| unnoticed |
combined form of noticed. |
| unnourishing |
combined form of nourishing. |
| unnumbered |
not counted or impossible to count; uncounted or countless. [2 definitions] |
| unobjectionable |
combined form of objectionable. |
| unobservable |
combined form of observable. |
| unobservant |
combined form of observant. |
| unobserved |
combined form of observed. |
| unobstructed |
combined form of obstructed. |
| unobtainable |
not able to be obtained; unable to be procured or acquired. |
| unobtrusive |
not noticeable; inconspicuous. |
| unoccupied |
without occupants or contents; vacant. [2 definitions] |
| unofficial |
combined form of official. |
| unofficially |
combined form of officially. |
| unopen |
combined form of open. |
| unopened |
combined form of opened. |
| unopposed |
combined form of opposed. |
| unordered |
combined form of ordered. |
| unorganized |
lacking organization, system, or integration. [2 definitions] |
| unoriginal |
combined form of original. |
| unornamented |
combined form of ornamented. |