en·​ci·​pher | \ in-ˈsī-fər How to pronounce encipher (audio) , en-\
enciphered; enciphering; enciphers

Definition of encipher

transitive verb

: to convert (a message) into cipher

Keep scrolling for more

Other Words from encipher

encipherer \ in-​ˈsī-​fər-​ər How to pronounce encipherer (audio) , en \ noun
encipherment \ in-​ˈsī-​fər-​mənt How to pronounce encipherment (audio) , en \ noun

Examples of encipher in a Sentence

Recent Examples on the Web

To protect sensitive communications traveling along public pathways, the senders enciphered—or encrypted—their words, often using machines that could replace each letter with a new letter. Liza Mundy, Time, "The Forgotten Women Who Helped Create the Field of Cybersecurity," 10 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'encipher.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of encipher

1577, in the meaning defined above

Keep scrolling for more

Learn More about encipher

Statistics for encipher

Look-up Popularity

Time Traveler for encipher

The first known use of encipher was in 1577

See more words from the same year

More from Merriam-Webster on encipher

Rhyming Dictionary: Words that rhyme with encipher

Comments on encipher

What made you want to look up encipher? Please tell us where you read or heard it (including the quote, if possible).


providing supplementary assistance

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!