dulcimer
- n a stringed instrument used in American folk music; an elliptical body and a fretted fingerboard and three strings
- n a trapezoidal zither whose metal strings are struck with light hammers
dullard
- n a person who is not very bright
- n a person who evokes boredom
dulles
- n United States diplomat who (as Secretary of State) pursued a policy of opposition to the USSR by providing aid to American allies (1888-1959)
- v make dull in appearance
- v become dull or lusterless in appearance; lose shine or brightness
- v deaden (a sound or noise), especially by wrapping
- v make numb or insensitive
- v make dull or blunt
- v become less interesting or attractive
- v make less lively or vigorous