Psychic abilities, unlike typical senses like sight and touch, may come and go unbidden, or only under particular circumstances such as times of great stress or periods of quiet meditation.
She shook her head to remove the unbidden thoughts.
Kerner, Plants and their Unbidden Guests.
His features were open with her; he had never entered her mind unbidden or used his skills or magic against her.
His incisors grew unbidden; he didn't stop them this time.
Encloses the stamens and pistil, protecting them from rain and the attacks of unbidden polleneating insects.
On the 26th of May 946 Edmund's brief but energetic reign came to a tragic conclusion when he was stabbed at the royal villa of Pucklechurch, in Gloucestershire, by an exiled robber named Liofa, who had returned to the court unbidden.
Many beetles of different families have become the "unbidden guests" of civilized man, and may be found in dwelling-houses, stores and ships' cargoes, eating food-stuffs, paper, furniture, tobacco and drugs.
Aid is sought, and there are also numerous devices for protecting the pollen and nectar from rain and dew or from the visits of those insects which would not serve the purpose of pollen-transference (unbidden guests).'
Deidre approached unbidden and stood before him, wishing she understood him and their bond better.