adj. (det ri MENT ul) damaging. Smoking is detrimental to your health.
devil's advocate
n. one who represents an opposing side simply for the sake of argument or as an exercise. I don't really believe that everyone should own a gun, but in debate class I like to play the devil's advocate.
diabolical
adj. (di yuh BOL uh kul) of the devil; fiendish. Beware of diabolical powers unleashed on Halloween.
diatribe
n. (DYE uh tribe) a critical denunciation.
My editor wrote a long-winded diatribe criticizing not only my article but also my viewpoint.
dichotomy
n. (di KOT uh mee) a division comprising two opposing viewpoints. There is a broad dichotomy of opinion between the sexes.
didactic
adj. (dye DAK tik) educational, particularly concerning morals. The Sunday school teacher put on a didactic skit about stealing.
dilapidated
adj. (di LAP i dayt ud) run-down; falling apart. The next stiff wind would probably knock down the old, dilapidated building.
dilettante
adj. (DIL i TAHNT) one who dabbles in the arts or has an amateurish knowledge of a field. I love poetry, but when it comes to writing it, I'm strictly a dilettante.
diligent
adj. (DIL uh junt) hard-working and persevering. She was a diligent worker who would not quit until the job was done right.
diplomacy
n. (di PLOH muh see) the act and skill of cultivating and maintaining good relationships with others; tact, in international or personal relations. The highest form of diplomacy must be employed to prevent international hostilities from exploding into war.
disaffected
adj. (dis uh FEK tid) full of resentment; alienated. Disaffected, the laid-off workers staged a demonstration against the company.
disarming
adj. (dis ARM ing) hostility-reducing, often through charm. The beauty pageant winner's smile was disarming and tended to dampen any hostility felt toward her by the losers.
discerning
adj. (di SUR ning) highly perceptive; sharp in judgment. The judge cast a discerning eye over the defendants.
disclaimer
n. (dis KLAYM ur) a statement that releases one from legal liability. Manufacturers of dangerous products must issue public disclaimers in order to protect themselves from lawsuits.
disconcerted
adj. (DIS kun SURT ed) disturbed; upset. Dogs are often disconcerted by the sounds of an approaching thunderstorm.
discord
n. (DIS kord) conflict and disagreement. There was a great discord among the panelists as the debate began.
discreet
adj. (dis KREET) unobtrusive, tactful, and low-key. If you must burp at the dinner table, please be discreet.
disdain
n. (dis DAYN) contempt. I feel nothing but disdain toward those who abuse animals.