Dreaming of a onesie represents a need for comfort and security. It symbolizes a desire to revert back to a state of innocence and simplicity. Wearing a onesie in a dream suggests that you may be seeking a sense of emotional protection and reassurance in your waking life. This dream may also indicate a longing for a carefree and stress-free existence, where responsibilities and worries are temporarily set aside. Additionally, a onesie could suggest a desire for nurturing and being taken care of by others.