Definition
To be ill-favored means to be unattractive or unlucky in appearance; not pleasing to the eye. It suggests a lack of beauty or grace. Think of someone who doesn't win any beauty contests, but maybe has a great personality. It is a milder term than 'hideous' or 'monstrous', implying more of a lack of charm than outright repulsiveness. It can also suggest misfortune in other areas of life, like being dealt a bad hand. It's akin to drawing the short straw in the looks department. π