Dreams of filthiness often symbolize a deep-seated sense of impurity or disgust with oneself or one's surroundings. They may reflect feelings of guilt, shame, or uncleanliness. Alternatively, these dreams can represent a desire for a fresh start or a need to cleanse oneself from negative influences. Often accompanied by a sense of discomfort or repulsion, such dreams may serve as a subconscious reminder to address unresolved emotions or behaviors in waking life. Consider evaluating the specific details and emotions within the dream for a more accurate interpretation.