a. 1. Not well; indisposed; not in good health; somewhat ill; ailing. [ 1913 Webster ]
2. (Med.) Specifically, ill from menstruation; affected with, or having, catamenial; menstruant. [ 1913 Webster ]
☞ This word was formerly regarded as an Americanism, but is now in common use among all who speak the English language. [ 1913 Webster ]
n. Quality or state of being unwell. [ 1913 Webster ]