15-letter words containing t, o, p, d
- underemployment — employed at a job that does not fully use one's skills or abilities.
- underpopulation — having a population lower than is normal or desirable.
- underproduction — production that is less than normal or than is required by the demand.
- undisappointing — not disappointing
- unleaded petrol — petrol containing a reduced amount of tetraethyl lead
- unprotected sex — an act of sexual intercourse or sodomy performed without the use of a condom, thus involving the risk of sexually transmitted diseases
- unprotectedness — the state of being unprotected or defenceless against attack
- unsophisticated — not sophisticated; simple; artless.
- upward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- well-positioned — condition with reference to place; location; situation.
- wind-pollinated — being pollinated by airborne pollen.
- windfall profit — a profit that arises thanks to an external event over which the person profiting had no control
- wood turpentine — turpentine obtained from pine trees.
- write-protected — (of a computer disk) having been protected from accidental writing or erasure
- young pretender — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.