Aguish \A"gu*ish\, a. 1. Having the qualities of an ague; somewhat cold or shivering; chilly; shaky. [1913 Webster] Her aguish love now glows and burns. --Granville. [1913 Webster] 2. Productive of, or affected by, ague; as, the aguish districts of England. --T. Arnold. [1913 Webster] -- {A"gu*ish*ness}, n. [1913 Webster]