Wiktionary
bedfast
a. unable to leave one's bed, especially because of illness, weakness or obesity
WordNet
Usage examples of "bedfast".
XVIII--CHILDREN: PRIVATE WARD Here in this dim, dull, double-bedded room, I play the father to a brace of boys, Ailing but apt for every sort of noise, Bedfast but brilliant yet with health and bloom.
Still bedfast, she blanched even whiter than the knuckles of her clenched fists, then turned red as her hair, her blue eyes snapping as if about to explode from her face.