(yo͞o′zər-frĕnd′lē)adj.us·er-friend·li·er, us·er-friend·li·est Easy to use or learn to use: "The public ought to be aware of the complexity of making new tax forms user-friendly"(New York Times).us′er-friend′li·ness n.TranslationsEncyclopediaSeeuser-friendlyMedicalSeeusability