15-letter words containing a, n, d, l, t, h
- the daily round — the usual activities of one's day
- the living dead — dead people that have been brought back to life by a supernatural force
- the netherlands — the, (used with a singular or plural verb) a kingdom in W Europe, bordering on the North Sea, Germany, and Belgium. 13,433 sq. mi. (34,790 sq. km). Capitals: Amsterdam and The Hague.
- thiocarbanilide — a gray powder, C 13 H 12 N 2 S, used as an intermediate in dyes and as an accelerator in vulcanization.
- thorndike's law — the principle that all learnt behaviour is regulated by rewards and punishments, proposed by Edward Lee Thorndike (1874–1949), US psychologist
- thousand island — of or relating to the Thousand Islands or their inhabitants
- thursday island — an island in Torres Strait between NE Australia and New Guinea; part of Queensland: pearl fishing. 1½ sq. mi. (4 sq. km).
- tidal benchmark — a benchmark used as a reference for tidal observations.
- time and a half — a rate of pay for overtime work equal to one and one half times the regular hourly wage.
- toughened glass — glass that has been made stronger using chemical or thermal treatments so that it will not break easily
- trichomonacidal — relating to a trichomonacide
- under the table — of, relating to, or for use on a table: a table lamp.
- under-the-table — transacted in secret or in an underhanded manner.
- unnatural death — death resulting from an external cause, such as intentional injury (such as homicide or suicide) or unintentional injury (in an accident)
- unrehabilitated — to restore to a condition of good health, ability to work, or the like.
- white zinfandel — a medium-sweet rosé wine made from zinfandel grapes.
- winter holidays — a period of rest from work or studies taken in winter
- withholding tax — that part of an employee's tax liability withheld by the employer from wages or salary and paid directly to the government.
- wreathed column — a column having a twisted or spiral form.