Main Entry: dull

Pronunciation: \ˈdəl\

Function: adjective

1 : mentally slow or stupid
2 : slow in perception or sensibility
3 : lacking sharpness of edge or point <a dull scalpel>
4 : lacking in force, intensity, or acuteness <a dull pain>

—dull verb

—dull·ness or dul·ness \ˈdəl-nəs\ noun

—dul·ly \ˈdəl-ē\ adverb