Definition

1. Noun:
   • A device for deciphering codes and ciphers: A mechanical or electronic tool designed to decode secret messages.
   • A piece of writing in code or cipher: A document or text that has been written using a secret system of letters or symbols.
   • A secret method of writing: The specific system or cipher itself used to conceal the meaning of a message.

Usage Examples

• Noun:
  • The museum displayed an antique cryptograph used by spies during the war. (Referring to a decoding device.)
  • The agent received a cryptograph that contained the mission details. (Referring to a coded document.)
  • They communicated using a complex cryptograph known only to the inner circle. (Referring to a secret writing method.)

Advanced Usage

• "To break a cryptograph": To successfully decode a secret message without having the key.
  • The team of analysts worked for months to break the enemy's cryptograph.
• In a figurative sense: Can describe anything very difficult to understand or decipher.
  • His handwriting was a complete cryptograph to everyone but his assistant.

Variants and Related Words

• Cryptography (n): The art or science of creating and deciphering codes and ciphers.
  • Modern cryptography is essential for computer security.
• Cryptographer (n): A person who specializes in creating or breaking codes.
  • She worked as a cryptographer for the government.
• Encrypt (v): To convert information into a code or cipher.
  • You should encrypt sensitive files.
• Decrypt (v): To convert coded information back into its original form.
  • The software can decrypt the message.

Synonyms

• Cipher: A secret or disguised way of writing; a code.
• Code: A system of words, letters, or symbols used to represent others for secrecy.
• Cryptogram: A text written in code or cipher (very similar in meaning to the second noun definition).

Related Phrases

• In cryptograph: Written in or using code.
  • The instructions were sent in cryptograph.

Noun

1. a device for deciphering codes and ciphers
2. a piece of writing in code or cipher
3. a secret method of writing