13-letter words containing t, o, b, l
- unmentionable — not mentionable; inappropriate, unfit, or improper for mention, as in polite conversation; unspeakable.
- unmetabolised — not metabolised
- unmetabolized — not metabolized
- unobliterated — to blot out or render undecipherable (writing, marks, etc.); efface.
- unobtrusively — not obtrusive; inconspicuous, unassertive, or reticent.
- unpostponable — to put off to a later time; defer: He has postponed his departure until tomorrow.
- 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.
- unsmotherable — unquenchable
- unsupportable — capable of being supported; endurable; maintainable.
- unworkability — the quality or state of being unworkable
- 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.
- 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).
- 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.
- verbalization — to express in words: He couldn't verbalize his feelings.
- water buffalo — a buffalo, Bubalus bubalis, of the Old World tropics, having large, flattened, curved horns: wild populations are near extinction.
- water lobelia — Lobelia dortmanna
- water-soluble — capable of dissolving in water.
- west columbia — a town in central South Carolina.
- whistleblower — a person who informs on another or makes public disclosure of corruption or wrongdoing.
- whole brother — a brother whose parents are the same as one's own.
- wild bergamot — a plant, Monarda fistulosa, of the mint family, native to eastern North America, having a rounded cluster of lilac-colored or purple flowers, growing in dry places.
- wine-bottling — the process of transferring wine from a large container to individual bottles
- with bells on — a hollow instrument of cast metal, typically cup-shaped with a flaring mouth, suspended from the vertex and rung by the strokes of a clapper, hammer, or the like.
- won't be long — If you say that someone won't be long, you mean that you think they will arrive or be back soon. If you say that it won't be long before something happens, you mean that you think it will happen soon.
- woulfe bottle — a bottle with more than one neck, used for passing gases through liquids