n. 1. A febrile condition in which there are alternating periods of chills, fever, and sweating. Used chiefly in reference to the fevers associated with malaria. 2. A chill or fit of shivering. [Middle English, from Old French (fievre) ague, sharp (fever), from Medieval Latin (febris) acūta, from Latin, feminine of acūtus; see ACUTE.] agu·ish (āgy-ĭsh) adj. agu·ish·ly adv. agu·ish·ness n. |
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