| Word | Definitions | Synonyms |
|---|---|---|
| umbra | (noun) a region of complete shadow resulting from total obstruction of light | - |
| umbrage | (noun) a feeling of anger caused by being offended | Synonyms: offence, offense |
| umbrella | (noun) a formation of military planes maintained over ground operations or targets | - |
| (noun) having the function of uniting a group of similar things | - | |
| (noun) a lightweight handheld collapsible canopy | - | |
| umbrellawort | (noun) a plant of the genus Mirabilis | - |