What does a dream about the letter M mean?
A dream about the letter “M” suggests that there is something you are keeping quiet about. Perhaps you are sworn to secrecy. This dream can also stand for “Mmmmm.” Your subconscious mind may be hungry for knowledge or information. As a Roman numeral, the M could stand for the number 1000.
Read more: The meaning of common dreams: what do your dreams say about your subconscious?
What others say about this dream
Every dream is a direct, personal, and meaningful message to the dreamer.
– u/RadOwl on this conversation on Reddit