cipher

Other spellings

• cypher

Pronunciation

• (UK) IPA ^(key): /ˈsaɪfə/
• (US) (Canada) enPR: ˈsī-fər, IPA ^(key): /ˈsaɪfɚ/

• Audio (UK)

  (file)

• Audio (US)

  (file)

• Hyphenation: ci‧pher

Noun

Singular cipher

Plural ciphers

1. A cipher is a numeric character.
   • Synonyms: number and numeral
2. A cipher is a method of transforming a text into a code so as to hide its meaning.
   • Synonym: code

Verb

Plain form cipher

Third-person singular ciphers

Past tense ciphered

Past participle ciphered

Present participle ciphering

1. (intransitive) If you cipher, you convert text into a code.