13-letter words containing a, n, t, b
- unsuitability — the quality of being inappropriate, unsuitable, or unfit
- unsupportable — capable of being supported; endurable; maintainable.
- unsustainable — not sustainable; not to be supported, maintained, upheld, or corroborated.
- unsustainably — not sustainable; not to be supported, maintained, upheld, or corroborated.
- untamableness — the quality or condition of being untamable
- untarnishable — to dull the luster of (a metallic surface), especially by oxidation; discolor.
- untraversable — to pass or move over, along, or through.
- untunableness — tunelessness; lack of harmony
- unvitrifiable — not able to be vitrified
- unwarrantable — capable of being warranted.
- unwhistleable — incapable of being whistled
- unworkability — the quality or state of being unworkable
- urban studies — the various disciplines associated with the study of urban areas, including urban planning, urban economics and urban architecture
- vasoinhibitor — an agent, as a drug, that inhibits the action of the vasomotor nerves.
- venetian ball — a small glass ball containing colorful objects or pieces, used chiefly as a paperweight.
- venetian blue — a strong blue similar to cobalt blue.
- verbalization — to express in words: He couldn't verbalize his feelings.
- verbigeration — the condition or instances of repeating the same word or sentence against one's will as a symptom of a psychiatric disorder
- victorian box — a tree, Pittosporum undulatum, of Australia, having shiny, wavy-margined, oblong leaves and fragrant clusters of yellowish flowers.
- vulnerability — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- water boatman — any of numerous aquatic insects of the family Corixidae, having paddlelike hind legs.
- water turbine — a turbine driven by the momentum or reactive force of water.
- waterboarding — a harsh interrogation technique in which water is poured onto the face and head of the immobilized victim so as to induce a fear of drowning.
- weather-bound — delayed or shut in by bad weather.
- weatherbeaten — Alternative spelling of weather-beaten.
- winter barley — barley that is planted in the autumn to be harvested in the spring or early summer.
- winter's bark — an evergreen tree, Drimys winteri, ranging from Mexico to Cape Horn, having aromatic leaves and cream-colored, jasmine-scented flowers.
- writing table — a table designed or used for writing at
- yekaterinburg — Ekaterinburg.
- yitzhak rabin — Yitzhak [yits-khahk] /yɪtsˈxɑk/ (Show IPA), 1922–95, Israeli military and political leader: prime minister 1974–77 and 1992–95: Nobel Peace Prize 1994.
- zombification — The act or process of zombifying.