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🔑 A lock opener ⭐ Very important 🗝️ An answer or solution ⌨️ A button 🏝️ A small island 🌰 A winged seed 🎶 Music notes group 💊 A kilogram drug 🛠️ To adjust 🕰️ A winding tool 🪓 To scratch 🏀 Painted area 🔬 To identify 🏛️ A top stone
key

key

140 1.0
A button on a keyboard or instrument that you press
  • noun
  • /kiː/
translation icon : tecla
  • If you press the key marked 'shift,' you can type capital letters easily.
  • press a key
  • depress a key
  • key on a keyboard

In time you're hitting on all the key buttons here.

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Examples

  • Participants gave their discrimination responses by pressing one of two differently colored keys on the computer keyboard.

    Academic text (2012)

  • And if we press some keys, we see some lights showing up here.

  • And I just press the enter key down there.

  • Every single key is now white, which is fantastic.

  • Press thumb key to begin.

    Stormbreaker (2006)

  • You have your WAS and D keys, the WAS and DS.

  • Subjects were then told to press a key to initiate a series of practice trials.

    Academic text (1991)

  • The girl pressed another key, then, nodding, stood up and approached the counter.

    Fiction book (1991)

  • Bramble, the keyboard in his lap, uses the down-arrow key to scroll through a PAL program.

    Fiction book (1991)

  • When you use a keyboard, the key you press determines the character that appears on the screen.

Synonyms

button
vskey
730 1.0

A small part you press to make a machine or app do something

is used for typing with levers rather than pressing small controls or symbols
telegraph key
vskey
  • Archaic
1 7.7

A small lever device used to send messages as dots and dashes by making and breaking an electric circuit

is used for typing to operate mechanisms or enter data rather than sending signals

Idioms

the key to
228 2.8

The main thing that makes something succeed or work

under lock and key
16 3.0

Kept in a locked place so people cannot take it

to throw away the key
  • Informal
12 8.8

Put someone in prison for life with no hope of release

to lock him up and throw away the key
  • Informal
2 9.5

Put someone in prison and never let them out

out of key
1 5.8

Not singing or playing the right musical notes

in a minor key
  • Specialized
1 6.6

Music that uses notes that make the song sound sad or serious

key to combating
3.9

An important thing or action that helps deal with a problem

to lock up and toss the key
  • Informal
9.3

Put someone in prison and never let them leave

moderation is key
4.2

Avoid extremes and do things in a balanced way

timing is key
4.2

Doing something at the right moment is important for success

Compounds

key point
43 3.1

A main idea in a talk or report

key issues
42 2.3

The main problems in a discussion or situation

key player
40 3.2

An important person who helps decide what happens in a group

key role
33 3.6

An important part of a process, event, or group

key ingredient
12 3.5

The most important part of something, often in a recipe or plan

off-key
12 4.5

A voice or instrument that sounds in the wrong pitch

key figure
12 3.8

An important person who plays the main role in a group or event

key lime
  • US
11 3.0

A small round yellow-green lime with a very tart taste used in desserts

key ring
6 1.0

A small metal ring that holds keys together

key evidence
5 3.7

Important proof that helps decide a legal case or argument

key word
4 3.5

An important word used to find a text in a search

master key
4 3.4

A key that opens many different locks in a building

minor key
2 5.9

A set of notes that sounds sad or serious

ignition key
2 2.3

A metal key used to start a car engine

shift key
1 2.7

A key on a keyboard that makes letters capital and types other characters

key fob
1 3.8

A small electronic device on a key ring that opens doors or starts a car

key word
  • Specialized
1 6.2

A word that unlocks a secret message

church key
  • Archaic
1 8.7

A small metal tool for making holes to open cans

command key
  • Specialized
1 3.6

A key on Apple keyboards that you press with other keys to use shortcuts

backspace key
1 2.6

A key on a keyboard that deletes the letter or number before the cursor

Florida key
  • US
1 4.7

A small low island of coral or limestone off the southern coast of Florida

key ring
  • Specialized
1 4.1

A secure place on a computer that stores passwords and secret codes for apps and the system

major key
  • Specialized
1 4.9

A set of musical notes that sounds bright and happy

hex key
  • Specialized
1 4.2

A small L-shaped tool used to turn screws with a six-sided hole

return key
1 2.1

A key on a keyboard that moves the cursor to a new line or starts a new command

tab key
  • Specialized
1 2.3

A key on a keyboard that moves the cursor to the right to indent or align text

telegraph key
  • Archaic
1 7.7

A small lever device used to send messages as dots and dashes by making and breaking an electric circuit

skeleton key
1 6.7

A metal tool that opens many similar locks by having most teeth cut away

control key
  • Specialized
2.8

A key on a computer keyboard that you press with other keys to do special actions

Allen key
  • UK
4.7

A small L-shaped metal tool used to turn bolts and screws with six-sided holes

ash-key
  • Specialized
9.9

A seed with a thin wing from an ash tree that the wind carries

key fob
3.6

A small thing on a key ring that makes keys easier to find

key fruit
  • Specialized
9.3

A winged fruit from maple or ash trees with one seed that spins as it falls

key signature
  • Specialized
5.5

A set of sharps or flats at the start of written music showing its key

key signature
  • Specialized
8.1

A digital mark added to a public key to show who owns it

key staging post
6.7

An important stop that helps people or goods move forward

key in
3.2

An act of typing information into a computer or device

key of the street
  • Slang
9.9

Useful knowledge needed to survive and fit into street life

key palm
  • US
7.2

A small fan-shaped tree that grows in southern Florida and Cuba

key pattern
6.7

A repeated decorative border of straight lines that turn in square corners, often on vases and buildings

master key
  • Specialized
4.2

A secret code that lets you open many protected files or services

Greek key
7.1

A repeating decorative border made from one continuous line that forms square corners

home key
  • Specialized
6.8

The main set of notes a piece of music returns to

Inbus key
  • Specialized
9.0

A small metal tool with a six-sided end for turning screws with a matching hole

nut key
  • Jargon
8.9

A small tool climbers use to pull metal pieces from cracks in rock

screw key
  • Specialized
5.5

A small tool that fits into a screw head to turn it

tonic key
  • Specialized
8.1

The main note and scale that a piece of music returns to

skeleton key
  • Specialized
7.5

A secret password that lets someone get into many accounts or systems

Unbrako key
  • Specialized
7.4

A small metal tool with a six-sided tip that turns screws with a six-sided hole in the head

watch key
  • Archaic
9.0

A small metal key with a square hole used to wind old pocket devices that tell time

Surface Forms

key singular
keys plural

Etymology

Key for a piano or computer button comes from the same idea of a small part you press to make a machine work, just like a metal key makes a lock work.