13-letter words containing a, b, d, p
- unpersuadable — not open or susceptible to persuasion
- unpredictable — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unpredictably — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unputdownable — (especially of a book or periodical) so interesting or suspenseful as to compel reading.
- upgradability — an incline going up in the direction of movement.
- wall cupboard — a cupboard that is fixed to a wall
- warping board — a rectangular board containing evenly spaced pegs at each end on which the warp is wound in preparation for weaving.