13-letter words containing t, u, r, b, o
- unproblematic — not problematic, not causing difficulties or confusion; uncomplicated
- unprotectable — to defend or guard from attack, invasion, loss, annoyance, insult, etc.; cover or shield from injury or danger.
- unsmotherable — unquenchable
- unsupportable — capable of being supported; endurable; maintainable.
- unworkability — the quality or state of being unworkable
- vitreous body — a transparent gelatinous substance, permeated by fine fibrils, that fills the interior of the eyeball between the lens and the retina
- water buffalo — a buffalo, Bubalus bubalis, of the Old World tropics, having large, flattened, curved horns: wild populations are near extinction.
- water-soluble — capable of dissolving in water.
- weather-bound — delayed or shut in by bad weather.