Synonyms for

Key

Noun / ki: / Another word for key — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

A small piece of shaped metal with incisions cut to fit the wards of a particular lock, which is inserted into a lock and turned to open or close it.

Synonyms & similar words

distinguish winder paint keystone discover identify central tonality primal describe headstone cay fundamental samara atonality cardinal name passkey clé tonic cue solution guide answer legend explanation code password admission entrée passport access entryway opener

Synonyms by register

Formal

crucial essential pivotal fundamental

Informal

answer solution tip trick

Literary

linchpin keystone pivot

Antonyms

lock closure block barrier obstruction hindrance

Common collocations

  • key to success
  • key to the problem
  • key feature
  • key element
  • key player
  • key point
  • key decision
  • key role

Word family

noun key
verb key
adjective key

Usage note

As an adjective, 'key' means of crucial importance. It is often used in phrases like 'key factor' or 'key issue'. As a noun, it refers to a device for opening a lock or a symbol on a map.

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Example sentences

  1. I found the key to the safe.
  2. The key to success is hard work.
  3. I need to get a spare key made.
  4. The piano player used the key of C for the song.
  5. She pressed the key on the keyboard to make a sound.

Quotes

  • The key to success is to start before you are ready. - Marie Forleo
  • The key to success is to be yourself. And the key to failure is to try to please everyone. - Bill Cosby
  • Happiness is not the absence of problems, it's the ability to deal with them. - Steve Maraboli

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