acid ailing angry bad below par caustic cheerless corrosive critically ill discontented down faint faintish feeling awful feeling evil feeling faint feeling something terrible grim humorless ill in bad humor in danger indisposed infestive joyless laid low mirthless miserable mortally ill not quite right off-color out of humor out of temper pleasureless rocky seedy sick sick unto death sickish sorry sorryish taken ill uncheerful uncheery under the weather unhappy unjoyful unmirthful unsmiling unwell wretched