A Planet Without Dignity
Peregrine (from Latin peregrinus, "wandering" or "foreign") describes a planet that has no essential dignity in its current position no domicile, exaltation, triplicity, term, or face rulership. A peregrine planet is like a stranger in a foreign land with no authority or recognized standing. In traditional astrology, peregrine planets are considered unreliable, inconsistent, or prone to deception their significations cannot be trusted to manifest clearly and faithfully.
Peregrine in Horary Astrology
In horary astrology, a peregrine significator is a serious debility. William Lilly associated peregrine planets with thieves, vagabonds, and unreliable persons the idea being that a planet without dignity lacks the standing to act with integrity. If the querent's significator is peregrine, the person may feel directionless or powerless. If the quesited's (asked-about thing's) significator is peregrine, the matter may be difficult to reliably assess or the thing may be hard to find.
Peregrine in Natal Charts
In natal astrology, a peregrine planet describes an area of life that lacks consistency and may operate erratically. A peregrine Moon suggests emotional responses that are hard to stabilize. A peregrine Mars may scatter its energy without direction. The remedy, if any, comes from the planet's house and any aspects it receives from well-dignified planets these can provide borrowed dignity and more reliable expression. Identifying peregrine planets helps set realistic expectations about consistency in those life areas.