Word.ws English Dictionary

Plural of key

regular plural

The plural of key is keys.

Forms of key

Singularkey /kiː/
Pluralkeys /kiːz/
Countablecountable

Keys in a sentence

  • 'Twas locked, of course, but the Deacon man got a big bunch of keys out of his pocket and commenced to putter with the lock.1913, Joseph C[rosby] Lincoln, chapter XIII, in Mr. Pratt’s Patients, New York, N.Y.; London: D[aniel] Appleton and Company, →OCLC
  • So starting with ten keys of cocaine and two keys of heroin, Derrick put his plan in motion.2010, David J. Silas, Da Block, page 41
  • I had my keys just a minute ago, so they must be about somewhere.From the entry about
  • I forgot my keys in and so we had to force (open) the door.From the entry force
  • I would have been here on time, but a certain someone lost the car keys!From the entry certain

Meaning of key

  1. noun An object designed to open and close a lock or to activate or deactivate something, especially a length of metal inserted into a narrow opening on the lock to which it is matched (keyed).
  2. noun A card or fob that electronically signals a lock to open.
  3. noun A piece of information (e.g., a password or passphrase) used to encode or decode a message or messages.

Full definition of key

Questions about the plural of key

What is the plural of key?
The plural of key is keys.
Is key countable?
Key is a countable noun.

Source and license

Adapted from Wiktionary: key (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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