Unbidden

{ Un*bid" (?), Un*bid"den (?), } a. 1. Not bidden; not commanded.

Thorns also and thistles it shall bring thee forth
Unbid; and thou shalt eat the herb of the field.
Milton.

2. Uninvited; as, unbidden guests. Shak.

3. Being without a prayer. [Obs.] Spenser.