To dream that you are taking a bath signifies a cleansing of your outer and inner self. You are washing away the difficult times. This dream may also be symbolic of ridding yourself of old ideas, notions, opinions, and other negativities. Your dream may be pointing toward forgiveness and letting go.
To dream that you are bathing someone suggests that you are seeking a closer connection with that person. It also points to your nurturing side.
Dreaming that you are giving a dog a bath symbolises your nurturing abilities. You also pride yourself in your loyalty and generosity.