1. (a.) Not well; indisposed; not in good health; somewhat ill; ailing.

2. (a.) Specifically, ill from menstruation; affected with, or having, catamenial; menstruant.

ailing bad below par critically ill donsie down faint faintish feeble feeling awful feeling faint feeling something terrible frail ill in danger indisposed infirm laid low low mean mortally ill not quite right off-color offish out of sorts poorly qualmish queasy rocky seedy shaky sick sick unto death sickish sickly squeamish taken ill under the weather weakly wobbly