flatter;
flattest
flatter;
flattest
Britannica Dictionary definition of FLAT
1
:
having a smooth, level, or even surface
:
not having curves or bumps
2
:
having a wide, smooth surface and little thickness
3
of a shoe heel
:
very low and wide
also
of a shoe
:
having a flat heel or no heel
4
:
spread out on or along a surface
5
:
very clear and definite
:
absolute
◊ In British English the expression and that's flat! is used to stress that a statement or decision is definite and will not be changed.
6
a
:
not changing in amount
-
They charged a flat rate for their services.
-
a flat [=fixed] fee
-
Ticket sales have been/remained flat. [=have not increased or decreased]
-
flat profits
-
a flat tax [=a tax that is paid at the same rate by everyone]
b
:
not having much business activity
7
:
not having much interest or energy
:
dull
8
of a drink
:
no longer having bubbles
9
of a tire
:
not having enough air
10
music
a
:
lower than the true pitch
b
:
lower than a specified note by a semitone
—
compare 1natural 8, 1sharp 13
11
of lighting conditions
:
not producing strong shadows
13
British, of a battery
:
no longer producing electricity
:
dead
(as) flat as a pancake
informal
— flatly
adverb
-
He flatly refuses to talk about it.
-
Lay the map flatly on the desk.
-
She has flatly denied the accusations.
— flatness
noun
[noncount]
2
flat
/ˈflæt/
noun
plural
flats
plural
flats
Britannica Dictionary definition of FLAT
[count]
1
:
a level area of land
—
usually plural
2
:
a flat part or surface
-
the flat of your hand
-
the flat of a sword
3
a
:
a musical note that is one semitone lower than a specified note
b
:
a written symbol ♭ that is placed before a note to show that it should be played a semitone lower
—
compare 2natural, 3sharp
4
US
:
a shallow box in which young plants are grown
5
chiefly US
:
a shoe or slipper that has a flat heel or no heel
—
usually plural
6
chiefly British
:
an apartment typically on one floor
—
compare apartment
7
:
a tire that does not have enough air
3
flat
/ˈflæt/
adverb
Britannica Dictionary definition of FLAT
1
a
:
on or against a flat surface
b
:
in the position of someone or something that is lying spread out on the ground or another surface
2
:
exactly or precisely
—
used to describe something that happens quickly
3
informal
:
completely or absolutely
-
We asked for more time but they turned us down flat.
-
(US) If you ask me, what they're doing is flat wrong.
-
I'm flat broke. [=I have no money]
—
see also flat out
4
:
below the correct musical pitch
—
compare 2sharp 2