12-letter words containing b, i, g, t, a, l
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- urban blight — deterioration of property in centre of city
- urbanologist — a sociologist specializing in urban life and problems
- walking boot — a lightweight rigid knee-length boot with a reinforced sole and straps that fasten around the leg, used for support after a sprain or fracture