Unchanging, set, not variable.

Inward movement - Taurus, Leo, Scorpio and Aquarius - unchanging or unyielding to outside influences.

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 modalities for expressing elemental energies. The fixed modality is the consolidating or focusing phase of the element, when the energies are made most stable and permanent. It involves a solidification around a central point in order to make the energy resistant to change. Fixedness implies stability, stubbornness, a resistance to outside forces of change, and a slow-but-steady way of working that persists in spite of obstacles. The fixed signs are Taurus, Leo, Scorpio and Aquarius.

The signs of the quadruplicity: Taurus, Leo, Scorpio and Aquarius.

(of a number) having a fixed and unchanging value

One of the three modes of signs, Taurus Leo, Scorpio and Aquarius are the Fixed signs

One of the three modalities (see also Cardinal and Mutable) assigned to the zodiac signs. The fixed signs in astrology are Taurus, Leo, Scorpio and Aquarius. The fixed modalitiy defines the basic quality of these signs as unchanging or unyielding to outside influences.