13-letter words containing a, l, t, b
- unperturbable — to disturb or disquiet greatly in mind; agitate.
- unpostponable — to put off to a later time; defer: He has postponed his departure until tomorrow.
- unpracticable — impracticable.
- unpredictable — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unpredictably — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unpresentable — not fit to be shown or introduced to other people
- unpreventable — not able to be prevented
- 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.
- unputdownable — (especially of a book or periodical) so interesting or suspenseful as to compel reading.
- unrectifiable — able to be rectified.
- unregrettable — causing or deserving regret; unfortunate; deplorable.
- unregrettably — causing or deserving regret; unfortunate; deplorable.
- unreliability — not reliable; not to be relied or depended on.
- unrespectable — not able to be respected
- unretractable — to withdraw (a statement, opinion, etc.) as inaccurate or unjustified, especially formally or explicitly; take back.
- unretrievable — to recover or regain: to retrieve the stray ball.
- unsaleability — inability to be sold
- unsatisfiable — not able to be satisfied
- unscratchable — to break, mar, or mark the surface of by rubbing, scraping, or tearing with something sharp or rough: to scratch one's hand on a nail.
- unsmotherable — unquenchable
- unstabilizing — to make or hold stable, firm, or steadfast.
- unstaunchable — incapable of being stopped
- unstretchable — to draw out or extend (oneself, a body, limbs, wings, etc.) to the full length or extent (often followed by out): to stretch oneself out on the ground.
- unsubstantial — not substantial; having no foundation in fact; fanciful; insubstantial: an unsubstantial argument; unsubstantial hopes.
- 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
- upgradability — an incline going up in the direction of movement.
- vacuum bottle — a bottle or flask having a vacuum liner that prevents the escape of heat from hot contents, usually liquids, or the entrance of heat into cold contents; thermos.
- variabilities — apt or liable to vary or change; changeable: variable weather; variable moods.
- variable cost — a cost that varies with a change in the volume of output while remaining uniform on a per-unit basis, as cost of labor (distinguished from fixed cost).
- variable star — a star that varies markedly in brightness from time to time.
- variable type — type that can be varied to fit a page, screen, etc
- variable-rate — providing for changes in the interest rate, adjusted periodically in accordance with prevailing market conditions: a variable-rate mortgage.
- vegetable fat — oil from plant source
- vegetable oil — any of a large group of oils that are esters of fatty acids and glycerol, obtained from the leaves, fruit, or seeds of plants.
- vegetable wax — a wax, or a substance resembling wax, obtained from various plants, as the wax palm.
- 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.