key
kiː
key: metal object used to open locks
Images
Definition Synonyms Conjugation

Definition of key - Reverso English Dictionary

Noun

1.
lockmetal object used to open locks
  • She lost her house key.
opener passkey
2.
technologybutton on a keyboard or typewriter
  • Press the enter key to continue.
button keycap

Adjective

importancevery important or absolutely necessary
  • This is a key factor in our decision.
crucial vital

Verb

tr.
1.
computersenter information by typing on a keyboard
  • She keyed the data into the computer.
2.
musicTECH.adjust the musical pitch ofTECH.
  • The musician keyed the instrument to the right pitch.
adjust tune
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Images of key

  • key: metal object used to open locks
    metal object used to open locks
  • key: button on a keyboard or typewriter
    button on a keyboard or typewriter
  • key: area in front of a basketball hoop
    area in front of a basketball hoop
  • key: small island
    small island

Expressions with key

💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.
enter information using a keyboard
He keyed into the computer all the data from the survey.
key toprep.
important for solving a problem
Innovation is key to solving climate change.
make someone excited or nervous
The loud music keyed up the crowd before the show..
tool for opening cans and bottles
He used a church key to open the soda can.
essential factor for achieving success
Determination is often seen as the key to success.
device used to secure something
The treasure chest was secured with a lock and key.

Origin of key

Old English, cæg (key)

Terms with key included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
secure
fasten something so it cannot be opened without a key
technology
key on a computer keyboard
grading key
paper with correct answers
hardware button
key on a keyboard that capitalizes letters
games
traditional or modern game using dice as a key component
information
document with key information about a topic
technology
press the 'Enter' key on a keyboard
key slot
receptacle for a key in a vehicle

Examples of key in a sentence

  • The key to the garage was missing.
  • The space key is the largest on the keyboard.
  • He accidentally hit the wrong key while typing.
  • Understanding the market is key to launching a product.
  • The key to the puzzle was hidden in the first clue.
  • Check the key before reading the chart.

View all translations of key

Click below to see the appropriate translations facing each meaning.
  1. French:clé, essentiel, ...
  2. German:Schlüssel, entscheidend, ...
  3. Italian:chiave, fondamentale, ...
  4. Spanish:llave, fundamental, ...
  5. Portuguese:chave, fundamental, ...
  6. Chinese:钥匙, 核心, ...
  7. Japanese:鍵, 重要な, ...
  8. Arabic:مِفْتاح, رَئيسي, ...
  9. Hebrew:מַפְתֵּחַ, מַכְרִיעַ, ...
  10. Russian:ключ, ключевой, ...
  11. Ukrainian:ключ, ключовий, ...
  12. Hindi:चाबी, मुख्य, ...
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