Definition & Meaning of "dull"

boring or lacking interest, excitement, or liveliness

(of pain) not sharp or intense

(of business) slow in action or lacking activity

lacking sharpness in perception

(of a sound) having a muted or indistinct quality

to become less captivating over time

to muffle a sound or noise, reducing its intensity or clarity

to make a feeling or sensation less intense or painful

to make a knife or blade less sharp

(of a knife or blade) to become less sharp