dull
//dʌl//
Adjective
dullCanonical form
dullerComparative
dullestSuperlative
1
Lacking interest or excitement; boring.
The lecture was so dull that I almost fell asleep.
2
Lacking brightness, vividness, or sheen.
The old coins had a dull surface after years of neglect.
3
Not sharp; blunt.
This knife is too dull to cut the bread.
4
Slow to understand; mentally sluggish.
He's a bit dull when it comes to math.
5
(Of pain or sound) not acute or intense; muted.
I felt a dull pain in my lower back.
Verb
dullInfinitive
dullPresent tense
dulledPast tense
dulledPast participle
dullingPresent participle
dullsThird-person singular
1
To make or become less sharp, bright, or intense.
Years of use had dulled the blade of the knife.
2
To make or become less lively or interesting.
Routine work can dull your creativity.