Exactly.
As if dead.
Very, absolutely, extremely.
Suddenly and completely.
(usually in the plural) Sterile mining waste, often present as many large rocks stacked inside the workings.
Time when coldness, darkness, or stillness is most intense.
To make dead; to deaden; to deprive of life, force, or vigour.
To kill.
To prevent by disabling; stop.
Doomed; marked for death; as good as dead (literally or as a hyperbole).
Completely inactive; currently without power; without a signal; not live.
Full and complete (usually applied to nouns involving lack of motion, sound, activity, or other signs of life).
Constructed so as not to reflect or transmit sound; soundless; anechoic.
Broken or inoperable.
Not imparting motion or power by design.
Not in play.
Lying so near the hole that the player is certain to hole it in the next stroke.
Unable to emit power, being discharged (flat) or faulty.
Cut off from the rights of a citizen; deprived of the power of enjoying the rights of property.
Tagged out.
So hated or offensive as to be absolutely shunned, ignored or ostracized.
Without interest to one of the senses; dull; flat.
Stationary; static; immobile or immovable.
Without emotion; impassive.
Figuratively, not alive; lacking life.
No longer living; (usually only when referring to people) deceased. (Also used as a noun.)
Unproductive; fallow.
Experiencing pins and needles (paresthesia).
Indifferent to; having no obligation toward; no longer subject to or ruled by (sin, guilt, pleasure, etc).
Devoid of living things; barren.
No longer used or required.
Exact; on the dot.
Exactly, precisely.
Used to emphasize the smallness of the measurement.
Completely.
Without allowance for accrued interest.
Bluntly.
In the mile race, Smith's time was 3:58.56, and Brown's was four minutes flat.
Directly; flatly.
So as to be flat.
Having a head at a very obtuse angle to the shaft.
Unable to emit power; dead.
Smooth; having no protrusions, indentations or other surface irregularities, or relatively so.
Lacking acidity without being sweet.
Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective as an adverb, without the addition of a formative suffix; or an infinitive without the sign "to".
Absolute; downright; peremptory.
Without variation in tone or hue (uniform), and dull (not glossy).
Without variation in level, quantity, value, tone etc.
Of fees, fares etc., fixed; unvarying.
Lowered by one semitone.
Without spin; spinless.
Having small or invisible breasts and/or buttocks.
At a consistently depressed level; consistently lacklustre.
Flattening at the ends.
With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
Exact.
In a horizontal line or plane; not sloping.
Lacking liveliness or action; depressed; uninteresting; dull and boring.
Of a note or voice, lower in pitch than it should be.
Without variations in pitch.
Deflated, especially because of a puncture.
Having no variations in height.
Lacking in depth, substance, or believability; underdeveloped; one-dimensional.
A flat tyre/flat tire.
A rectangular wooden structure covered with masonite, lauan, or muslin, often produced in standard modules, that is used to build wall surfaces on stage. Flats can be painted and outfitted with doors and/or windows to depict a building or other part of a scene. It's a hard-surfaced alternative to a backcloth orbackdrop.
An area of level ground (sometimes covered with water).
A flat-bottomed boat, without keel, and of small draught.
An early kind of toy soldier having a flat design.
The palm of the hand, with the adjacent part of the fingers.
A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded paper enclosed in large envelopes.
A flat (i.e. plane) mirror
The flat side of a blade, as opposed to the sharp edge.
A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension.
A flat, glossy children's book with few pages.
A platform on a wheel, upon which emblematic designs etc. are carried in processions.
A railroad car without a roof, and whose body is a platform without sides; a platform car or flatcar.
An apartment, usually on one level and usually consisting of more than one room.
Level ground in general.
A note played a semitone lower than a natural, denoted by the symbol ♭ placed after the letter representing the note (e.g., B♭) or in front of the note symbol (e.g. ♭♪).
A type of ladies' shoe with a very low heel.
Level horse-racing ground, as contrasted with courses incorporating jumps, or the racing done on such ground.
A wide, shallow container or pallet.
A straw hat, broad-brimmed and low-crowned.
A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal.
A cheater's die with the edges shaved to make certain rolls more likely.
Any of various hesperiid butterflies that spread their wings open when they land.
A thin, broad brush used in oil and watercolour painting.
A flat sheet for use on a bed.
the area in the centre of a racecourse.
A type of flat-soled running shoe without spikes.
To make a flat call; to call without raising.
To fall from the pitch.
To become flat or flattened; to sink or fall to an even surface.
To depress in tone, as a musical note; especially, to lower in pitch by half a tone.
To dash or throw
To dash, rush