15-letter words containing a, d, k, l
- take the pledge — a solemn promise or agreement to do or refrain from doing something: a pledge of aid; a pledge not to wage war.
- the black death — a form of bubonic plague pandemic in Europe and Asia during the 14th century, when it killed over 50 million people
- thorndike's law — the principle that all learnt behaviour is regulated by rewards and punishments, proposed by Edward Lee Thorndike (1874–1949), US psychologist
- tidal benchmark — a benchmark used as a reference for tidal observations.
- to draw a blank — If you draw a blank when you are looking for someone or something, you do not succeed in finding them.
- tokelau islands — a group of islands in the S Pacific Ocean belonging to New Zealand. 4 sq. mi. (10 sq. km).
- track and field — athletics events
- track-and-field — of, relating to, or participating in the sports of running, pole-vaulting, broad-jumping, etc.: a track-and-field athlete.
- 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)
- unknowledgeable — possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
- unskilled labor — work that requires practically no training or experience for its adequate or competent performance.
- völkerwanderung — the migration of peoples, esp of Germanic and Slavic peoples into S and W Europe from 2nd to 11th centuries
- walking holiday — a holiday on which you walk a lot, esp in the countryside
- walking wounded — casualties, as of a military conflict, who are wounded but ambulatory.
- working holiday — trip combining vacation with job experience
- yorkshire dales — the valleys of the rivers flowing from the Pennines in W Yorkshire: chiefly Ribblesdale, Swaledale, Nidderdale, Wharfedale, and Wensleydale; tourist area