One of the three modalities (see also Cardinal and Fixed) assigned to the zodiac signs. The mutable signs in astrology are Gemini, Virgo, Sagittarius and Pisces. The mutable modalitiy defines the basic quality of these signs as adaptable or changeable.
The four basic Elements (Fire, Earth, Air, and Water) can each act in one of three basic ways, or Modes (Cardinal, Fixed, or Mutable). In addition to the above links, the Study Guide Signs of the Zodiac, Houses, and Planetary Rulers shows the Mode and Element of each sign.
One of the three modes of signs. Gemini, Virgo, Sagittarius and Pisces are Mutable signs
One of the modalities for expressing elemental energies. The mutable expression involves expanding in all directions at once, changing or transforming the original energy in new ways. It suggests traits of flexibility, changeableness and adaptability, often promoting a change in conscious awareness. The mutable signs are Gemini, Virgo, Sagittarius and Pisces.