12-letter words containing p, l, a, n, b
- unrepealable — not able to be repealed, rescinded, or annulled
- unrepeatable — to say or utter again (something already said): to repeat a word for emphasis.
- unreportable — not able to be reported, relayed, or spoken of
- unreprovable — not able to be reproved, reproached, or criticized
- unrepulsable — not able to be repulsed or driven back
- unsplittable — to divide or separate from end to end or into layers: to split a log in two.
- unsupposable — not able to be supposed
- urban sprawl — the uncontrolled spread of urban development into neighboring regions.