All Definitions for Flat
Below are all the dictionary definitions of flat:
1Having no variations in height.
2In a horizontal line or plane
3Ot sloping.
4Smooth
5Having no protrusions, indentations or other surface irregularities, or relatively so.
6Having small or invisible breasts and/or buttocks.
7Without variation in level, quantity, value, tone etc.
8At a consistently depressed level
9Consistently lacklustre.
10Of fees, fares etc., fixed
11Unvarying.
12Without variations in pitch.
13Not diphthongal
14Without variation in height or backness.
15Without variation in tone or hue (uniform), and dull (not glossy).
16Lacking liveliness or action
17Depressed
18Uninteresting
19Dull and boring.
20Lacking in depth, substance, or believability
21Underdeveloped
22One-dimensional.
23Lowered by one semitone.
24Of a note or voice, lower in pitch than it should be.
25Absolute
26Downright
27Peremptory.
28Deflated, especially because of a puncture.
29With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
30Lacking acidity without being sweet.
31Unable to emit power
32Dead.
33Without spin
34Spinless.
35Sonant
36Ocal, as distinguished from a sharp (non-sonant) consonant.
37Not 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
38Or an infinitive without the sign "to".
39Having a head at a very obtuse angle to the shaft.
40Flattening at the ends.
41Exact.
42Such that the tensor product preserves exact sequences. See Flat module on Wikipedia.Wikipedia.
43Such that its target, regarded as a module over its source, is flat (as above).
44Such that the induced map on every stalk is flat (as a map of rings).
45Having little froth and little milk.
46So as to be flat.
47Completely, firmly, or unequivocally.
48Exactly, precisely.
49Used to emphasize the smallness of the measurement.
50Without parole.
51Completely.
52Directly
53Flatly.
54Without allowance for accrued interest.
55An area of level ground (sometimes covered with shallow or tidal water).
56Level ground in general.
57Level horse-racing ground, as contrasted with courses incorporating jumps, or the racing done on such ground.
58The area in the centre of a racecourse.
59The areas behind the line of scrimmage to either side of an offensive football formation.
60A note played one chromatic 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. ♭♪).
61A flat tyre/flat tire.
62A type of ladies' shoe with a very low heel.
63A type of flat-soled running shoe without spikes.
64A thin, broad brush used in oil and watercolour painting.
65The most prominent flat part of something.
66The flat side of a blade, as opposed to the sharp edge.
67The palm of the hand, with the adjacent part of the fingers.
68A wide, shallow container or pallet.
69A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded paper enclosed in large envelopes.
70A railroad car without a roof, and whose body is a platform without sides
71A platform car or flatcar.
72A flat spot on the wheel of a rail vehicle.
73A flat-bottomed boat, without keel, and of small draught.
74A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension.
75A straw hat, broad-brimmed and low-crowned.
76A flat sheet for use on a bed.
77A flat, glossy children's book with few pages.
78A platform on a wheel, upon which emblematic designs etc. are carried in processions.
79A horizontal vein or ore deposit auxiliary to a main vein
80Also, any horizontal portion of a vein not elsewhere horizontal.
81A 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, and are a hard-surfaced alternative to a backcloth or backdrop.
82Any of various hesperiid butterflies that spread their wings open when they land.
83A flat (i.e. plane) mirror
84A cheater's die with the edges shaved to make certain rolls more likely.
85A 24-case of beer.
86To make a flat call
87To call without raising.
88To become flat or flattened
89To sink or fall to an even surface.
90To fall from the pitch.
91To depress in tone, as a musical note
92Especially, to lower in pitch by half a tone.
93To make flat
94To flatten
95To level.
96To render dull, insipid, or spiritless
97To depress.
98To dash or throw
99To dash, rush
100Foolish
101Simple-minded.
102An early kind of toy soldier having a flat design.
103A dull fellow
104A simpleton.
105A complete domicile occupying only part of a building, especially one for rent
106To beat or strike
107Pound
108Ellipsis of flat water (“nonfizzy drinking water”). [(US) Synonym of still water (“nonfizzy drinking water”).]
109Ellipsis of flat ride (“spinning amusement ride”). [An amusement ride that spins around, usually on a circular platform.]
About antonyms for flat
Finding the right antonym for flat helps writers create contrast, clarify meaning, and add depth to their work. Defined as "Having no variations in height.", flat has 4 opposite words that can be used to express contrasting ideas.
Each antonym carries a slightly different shade of opposition. Sharp is the most direct opposite in most situations. Natural works well when the context calls for a more nuanced contrast. Indirectly is often preferred when the context calls for a specific type of opposition.
When choosing an antonym, consider the connotation, formality level, and audience. Some alternatives work better in casual conversation while others shine in academic or professional writing. For example, using a more formal antonym in a business email can elevate your tone, while a casual antonym might feel more natural in creative writing or dialogue.
It is also worth noting that not all antonyms are perfectly interchangeable. The context of your sentence, the surrounding words, and the intended emotional impact all play a role in selecting the best opposite word. The list above provides the most common and useful antonyms for flat, but always read your sentence aloud to ensure the chosen word flows naturally.