The antonyms for the word "de-cipherable" include words such as "unintelligible," "obscure," "incomprehensible," "cryptic," and "inscrutable." These words all suggest a lack of clarity, understanding, or meaning. They imply that something is difficult or impossible to decipher. Antonyms for "de-cipherable" could also include words such as "transparent," "explicit," "clear," "intelligible," or "understandable." These words suggest that something is easy to understand, and convey a sense of clarity, accessibility, and transparency. Knowing the antonyms for "de-cipherable" can help you understand the opposite meaning of the word, and provide a helpful vocabulary for communication and understanding.