undersized

He had a most amiable feeling towards it, were it ever so frowsy and undersized and sallow.

In the language of the country they meant runty, mean-figured, undersized.

He was an undersized child with a pinched, intelligent face.

Not only are they undersized and weak-muscled, but they shun bodily activity and are exceedingly sensitive to pain.

And he could see a bell too—an undersized cowbell—that dangled at the creature's breast and jangled incessantly.