Answer: sickliest

AnswerCrossword Clue
sickliest(of a person's complexion or expression) Indicative of poor health
sickliest(of a flavor, smell, color, or light) So unpleasant as to induce discomfort or nausea
sickliest(of a place, climate, or time) Causing or characterized by unhealthiness
sickliestExcessively sentimental or mawkish
sickliestOften ill; in poor health
sickliestSICKLY, inclined to be ailing