ague /ˈeɪ.ɡju/noun 5verb 1forms 3 noun5 •An intermittent fever, attended by alternate cold and hot fits.He had to capture some character and get out of that rest room before his ague got so bad that the sergeant had to carry him to and from the booth every day. — 1963 •The cold fit or rigor of an intermittent fever. •A chill, or state of shaking, as with cold.November 23, 1698, John Dryden, letter to Mrs Stewart I ’scap’d with one cold fit of an ague •(no longer used) Malaria.Where I’m from, people have learned that mosquitoes carry ague. — 1979 •(no longer used) An acute fever. verb1 •To strike with an ague, or with a cold fit. formsagued · aguing · agues