Meaning of FLAT in English

1. adj., adv., n., & v.

--adj. (flatter, flattest)

1. a horizontally level (a flat roof). b even; smooth; unbroken; without projection or indentation (a flat stomach). c with a level surface and little depth; shallow (a flat cap; a flat heel).

2 unqualified; plain; downright (a flat refusal; a flat denial).

3 a dull; lifeless; monotonous (spoke in a flat tone). b without energy; dejected.

4 (of a fizzy drink) having lost its effervescence.

5 (of an accumulator, a battery, etc.) having exhausted its charge.

6 Mus. a below true or normal pitch (the violins are flat). b (of a key) having a flat or flats in the signature. c (as B, E , etc. flat) a semitone lower than B, E, etc.

7 Photog. lacking contrast.

8 a (of paint etc.) not glossy; matt. b (of a tint) uniform.

9 (of a tyre) punctured; deflated.

10 (of a market, prices, etc.) inactive; sluggish.

11 of or relating to flat-racing.


1. lying at full length; spread out, esp. on another surface (lay flat on the floor; the ladder was flat against the wall).

2 colloq. a completely, absolutely (turned it down flat; flat broke). b exactly (in five minutes flat).

3 Mus. below the true or normal pitch (always sings flat).


1. the flat part of anything; something flat (the flat of the hand).

2 level ground, esp. a plain or swamp.

3 Mus. a a note lowered a semitone below natural pitch. b the sign (!!!) indicating this.

4 (as the flat) Brit. a flat racing. b the flat racing season.

5 Theatr. a flat section of scenery mounted on a frame.

6 esp. US colloq. a flat tyre.

7 sl. a foolish person.

--v.tr. (flatted, flatting)

1. make flat, flatten (esp. in technical use).

2 US Mus. make (a note) flat.

Phrases and idioms:

fall flat fail to live up to expectations; not win applause. flat arch Archit. an arch with a flat lower or inner curve. flat (or flat-bottomed) boat a boat with a flat bottom for transport in shallow water. flat-fish any marine fish of various families having an asymmetric appearance with both eyes on one side of a flattened body, including sole, turbot, plaice, etc. flat foot a foot with a less than normal arch. flat-four (of an engine) having four cylinders all horizontal, two on each side of the crankshaft. flat-head

1. any marine fish of the family Platycephalidae, having a flattened body with both eyes on the top side.

2 sl. a foolish person. flat-iron hist. an iron heated externally and used for pressing clothes etc. flat out 1 at top speed.

2 using all one's strength, energy, or resources. flat race a horse race over level ground, as opposed to a steeplechase or hurdles. flat-racing the racing of horses in flat races. flat rate a rate that is the same in all cases, not proportional.

flat spin

1. Aeron. a nearly horizontal spin.

2 colloq. a state of agitation or panic.


1. US Aeron. sl. an aircraft-carrier.

2 sl. a man's short flat haircut. that's flat colloq. let there be no doubt about it.


flatly adv. flatness n. flattish adj.

Etymology: ME f. ON flatr f. Gmc 2. n. & v.

--n. a set of rooms, usu. on one floor, used as a residence.

--v.intr. (flatted, flatting) (often foll. by with) Austral. share a flat with.


flatlet n.

Etymology: alt. f. obs. flet floor, dwelling f. Gmc (as FLAT(1))

Oxford English vocab.      Оксфордский английский словарь.