secretcodeguide
nounUK /ˈsiː.krɪt kəʊd ɡaɪd/
US /ˈsiː.krɪt koʊd ɡaɪd/
A book that tells you how to read and write secret codes.
Mia used the secretcodeguide to make a puzzle for her friends.
RELATED WORDS
OTHER MEANINGS
2. A set of rules for making and breaking hidden messages.
The spy team followed the secretcodeguide to send messages safely.
3. A person who teaches others about secret codes.
Our teacher was our secretcodeguide during the treasure hunt.
4. A website or app that explains how secret codes work.
He opened the secretcodeguide on his tablet to learn a new cipher.