dull

dull

adj \ˈdəl\

Definition of DULL

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