| unhindered | dégagé |
| unhinge | dérouter |
| unholy | impie |
| unhook | découpler |
| unhookable | décrochable |
| unhoped | inespéré |
| unhoped-for | inespéré |
| unhurt | indemne |
| uni | fac |
| uni- | uni- |
| Unibail-Rodamco | Unibail |
| unibrow | monosourcil |
| Unica Zürn | Unica Zürn |
| unicameralism | monocamérisme |
| UNICEF | Unicef |
| unicellular | unicellulaire |
| Unico Wilhelm van Wassenaer | Unico Wilhelm van Wassenaer |
| Unicode | Unicode |
| Unicode and e-mail | Courriel et Unicode |
| Unicode Consortium | Consortium Unicode |
| unicolor | unicolore |
| unicorn | licorne |
| Unicorn Jabu | Jabu |
| UniCredit | Unicredit Group |
| UNICS Kazan | UNICS Kazan |
| unicycle | monocycle |
| unicyclist | unicycliste |
| Unidad Popular | Unidad Popular |
| unidentified | non identifié |
| Unidentified flying object | Objet volant non identifié |
| unidirectional | unidirectionnel |
| Uniejów | Uniejów |
| Unieux | Unieux |
| Uniface | UNIFACE |
| UNIFEM | Fonds de développement des Nations unies pour la femme |
| unifiable | unifiable |
| unification | unification |
| Unification of Germany | Unité allemande |
| unified | uni |
| Unified communications | Communications unifiées |
| Unified Lumumbist Party | Parti lumumbiste unifié |
| Unified Modeling Language | Unified Modeling Language |
| Unified Silla | Période Silla |
| Unified Socialist Party | Parti socialiste unifié |
| Unified Socialist Party of Catalonia | Parti socialiste unifié de Catalogne |
| Unified Team | Équipe unifiée |
| Unified threat management | Unified threat management |
| unifoliate | monophylle |
| uniform | uniforme |
| uniform antshrike | batara unicolore |
| Uniform boundedness principle | Théorème de Banach-Steinhaus |
| uniform continuity | continuité uniforme |
| Uniform Customs and Practice for Documentary Credits | Règles et Usances Uniformes |
| Uniform great rhombicosidodecahedron | Grand rhombicosidodécaèdre uniforme |
| Uniform great rhombicuboctahedron | Grand rhombicuboctaèdre uniforme |
| Uniform polyhedron | Polyèdre uniforme |
| Uniform Resource Locator | Uniform Resource Locator |
| Uniform Resource Name | Uniform Resource Name |
| uniformed | en uniforme |
| Uniformitarianism | Uniformitarisme |
| uniformity | uniformité |
