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fast

fast

1 4.9
A cloth that does not lose color when washed
  • adjective
  • /fæst/
  • Specialized
: resistente a la decoloración
  • First, he dipped into his windbreaker pocket and pulled out a tube of fast-drying epoxy.
  • acid-fast

Examples

  • He chose a fast paint that would not fade in the sun for the outdoor mural.

  • This fabric is made from a special blend that ensures its color remains fast even after many washes.

  • I totally forgot how fast drying this one is.

  • I'd probably say the fast base concealer is better.

  • So the key there is look for fast drying mascara.

  • Despite these wet conditions, these wet-weather tires wear extremely fast.

  • This is the HK girl, fast drying and super shiny clear top coat.

  • The weather's threatening, but the track is fast there in Salem, New Hampshire.

  • It also says, well, it says fast drying, non yellowing and UV resistant.

  • For the art project, we need a fast dye that won’t run when exposed to water.

Synonyms

colorfast
vsfast
  • US
1 4.4

A fabric that keeps its color when washed or left in the sun

is broader in scope, applying to many materials and overall durability
lightfast
vsfast
  • Specialized
1 6.5

Does not fade or change color in sunlight

is broader, covering resistance beyond light to washing and material damage

Antonyms

128 4.4

Not steady and likely to change, fail, or fall

6 3.0

A slow loss of strength, color, or sound over time

Idioms

not so fast
  • Informal
82 5.8

Tell someone to slow down when they act too quickly

20 2.5

Resting very deeply and not easy to wake

in the fast lane
  • Informal
15 6.4

Living a life full of excitement and danger

12 8.3

To trick someone in a clever way so they do not notice

9 8.0

Act in a careless way by ignoring rules and other people's feelings

8 5.2

A way of spending time that is exciting, fast, and often risky

Compounds

154 1.0

Cheap food that is already cooked and sold to eat quickly, like hamburgers or fried chicken

75 3.5

Something that gets much bigger or more common very quickly

61 3.9

A quick route to success or promotion

34 2.5

A speed that is quicker than usual for a task or activity

26 3.9

Happening very quickly with a lot of action

fast lane
  • Informal
17 5.8

A very busy, exciting life that often brings risk and pressure

fast one
  • Informal
17 8.2

A clever trick used to cheat someone

11 5.7

Very clear rules or limits that do not allow change

fast break
  • Jargon
10 3.5

A quick attack where a team moves fast down the court to score before the defense sets up

A fixed instruction you cannot change or adapt

lightning fast
  • Informal
6 3.6

Happening or moving very quickly

5 2.8

A road lane for vehicles that move faster than other lanes

4 1.9

A quick help that has very little waiting time

A place where things change and happen very quickly

fast buck
  • Slang
3 7.9

Money earned quickly, often by dishonest or easy ways

fast reactor
  • Specialized
3 8.4

A nuclear reactor that uses fast neutrons without a moderator to make energy

1 5.9

A day when people do not eat for religious or spiritual reasons

1 3.7

Moving quickly through the air like a bird or a jet

A way of living with constant activity and little time to rest

fast time scale
  • Specialized
1 7.7

A way of running a simulation where time moves faster than real life

1 7.4

A person who becomes successful or well known very quickly

A Jewish fast kept by firstborn sons the day before Passover to remember how they were saved in Egypt

A one-day event when many Jews do not eat or drink before Purim to remember Esther

1 9.9

A major Jewish fast on the ninth day of Av that remembers the destruction of the temples in Jerusalem

A Jewish day when people do not eat or drink from dawn to dusk to remember Jerusalem's walls being broken

A set of computer rules that lets local devices send secure messages and manage a network

fast mate
  • Informal
6.6

A close friend who spends a lot of time with you

A major Jewish day when people do not eat to remember when the temples were destroyed in Jerusalem

A day in the Jewish calendar when Jews do not eat or drink to remember Gedaliah's killing

A minor Jewish fast on the tenth of Tevet to remember the siege of Jerusalem and Holocaust victims

A very important Jewish day when people fast, like Yom Kippur or Tisha B'Av

A day in Judaism when adults fast from dawn to nightfall but can do normal work

How Colorfast

permanent
613 3.2
fast
  • Specialized
1 4.9
long-lasting
40 3.7
fugitive
5 7.4
unstable
128 4.4

Surface Forms

fast positive

Etymology

Fast for colors or cloth comes from the sense of being 'firm' and not changing, as in color-fast; a dye that holds 'firmly' does not fade. So a 'fast' color is one that stays the same over time.