15-letter words containing l, u, s, k
- senkaku islands — a group of uninhabited islets in the East China Sea; claimed by China and Japan
- smoke pollution — pollution caused by fuels, etc, that produce smoke when burned
- south milwaukee — a city in SE Wisconsin.
- south salt lake — a town in N Utah.
- spiny cocklebur — a cocklebur, Xanthium spinosum, introduced into North America from Europe.
- squirrel monkey — either of two small, long-tailed monkeys, Saimiri oerstedii of Central America and S. sciureus of South America, having a small white face with black muzzle and gold, brown, or greenish fur: S. oerstedii is endangered.
- strike it lucky — to have some good luck
- stumbling block — an obstacle or hindrance to progress, belief, or understanding.
- surgical strike — a military action designed to destroy a particular target without harming other people or damaging other buildings near it
- tantalus monkey — a long-tailed African monkey, Cercopithecus tantalus (or C. aethiops tantalus), of central African grasslands, having a long face framed by upswept whiskers.
- the black stump — an imaginary marker of the extent of civilization (esp in the phrase beyond the black stump)
- tokelau islands — a group of islands in the S Pacific Ocean belonging to New Zealand. 4 sq. mi. (10 sq. km).
- turk's-cap lily — either of two lilies, Lilum martagon or L. superbum, having nodding flowers with the perianth segments rolled backward.
- turkish delight — a candy made of fruit juice and gelatin, cubed and dusted with sugar.
- unalaska island — a large volcanic island in SW Alaska, in the Aleutian Islands. Length: 120 km (75 miles). Greatest width: about 40 km (25 miles)
- unchristianlike — not like a Christian; not in accordance with Christian teaching and values
- universal chuck — a chuck, as on a lathe headstock, having three stepped jaws moving simultaneously for precise centering of a workpiece of any of a wide range of sizes.
- unknown soldier — an unidentified soldier killed in battle and buried with honors, the tomb serving as a memorial to all the unidentified dead of a nation's armed forces. The tomb of the American Unknown Soldier, commemorating a serviceman killed in World War I, was established in the Arlington National Cemetery in Virginia in 1921. In 1958, the remains of personnel of World War II and the Korean War were buried alongside the tomb (now called the Tomb of the Unknowns, ). In 1984, a serviceman of the Vietnam War was interred next to the others.
- unskilled labor — work that requires practically no training or experience for its adequate or competent performance.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- unstatesmanlike — not resembling or befitting a political leader whose wisdom, integrity, etc win great respect
- walnut husk fly — any of several fruit flies, as Rhagoletis completa, the larvae of which feed on and discolor walnut husks.
- work oneself up — become overwrought
- yorke peninsula — a peninsula in S Australia between Spencer Gulf and the Gulf of St. Vincent. 160 miles (257 km) long and 20–35 miles (32–56 km) wide.