duller;
dullest
duller;
dullest
Britannica Dictionary definition of DULL
1
:
not exciting or interesting
:
boring
2
:
having an edge or point that is not sharp
-
a dull [=blunt] knife
-
a dull pencil
3
of a sound
:
not clear and loud
4
of pain
:
constant but not sharp or severe
6
:
not sunny
:
having a lot of clouds
7
:
slightly grayish or dark
:
not bright
-
a dull light
-
The sky was a dull blue.
8
old-fashioned
:
stupid or slow in understanding something
9
:
not having a lot of business or financial activity
— dullness
noun
[noncount]
2
dull
/ˈdʌl/
verb
dulls;
dulled;
dulling
dulls;
dulled;
dulling
Britannica Dictionary definition of DULL
:
to become dull or to make (something) dull: such as
a
:
to become or cause (something) to become less clear, distinct, bright, or shiny
[+ object]
[no object]
b
[+ object]
:
to make (something, such as a feeling) less sharp, strong, or severe
-
She takes medicine to dull the pain.
-
Fear dulled his need for adventure.
-
(formal) Her mind was dulled by the medication.
c
:
to become or cause (something, such as a knife or blade) to become less sharp
[+ object]
[no object]