13-letter words containing f, l, u, r
- unforgettably — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.
- unfortunately — suffering from bad luck: an unfortunate person.
- unhurtfulness — the state of being unhurtful
- unmistrustful — not mistrustful
- unperformable — to carry out; execute; do: to perform miracles.
- unrectifiable — able to be rectified.
- unrefined oil — oil that hasn't been refined or processed
- unreproachful — not deserving reproach or blame
- unrestfulness — the state of being restless
- unsuperficial — external or outward: a superficial resemblance.
- unsuperfluous — not superfluous or excessive; moderate
- unvitrifiable — not able to be vitrified
- user-friendly — easy to use, operate, understand, etc.: the most user-friendly personal computer now on the market.
- vacuum filter — A vacuum filter is a filter in which the liquid passes through more easily because of a vacuum on the liquid output side.
- venus flytrap — firewall machine
- visual foxpro — (database) A Microsoft database derived from Fox Software's FoxPRO.
- wasterfulness — the state of being wasteful
- water buffalo — a buffalo, Bubalus bubalis, of the Old World tropics, having large, flattened, curved horns: wild populations are near extinction.
- well-favoured — of pleasing appearance; good-looking; pretty or handsome.
- white truffle — an edible fungus, Tuber magnatum pico, occurring in certain parts of northern Italy, and considered a great delicacy.
- wonderfulness — excellent; great; marvelous: We all had a wonderful weekend.
- work-furlough — work-release.
- working fluid — a liquid or gaseous working substance.