11-letter words containing f, i, d, u
- unspecified — to mention or name specifically or definitely; state in detail: He did not specify the amount needed.
- unterrified — not terrified or frightened
- ununiformed — wearing a uniform.
- unvitrified — not vitrified; that has not been vitrified
- windsurfing — a form of sailing in which a flexible sail, free to move in any direction, is mounted on a surfboard and the craft guided by the standing rider.