agu·ish \ˈāgyəwish, ˈā(ˌ)gyüish\adjective Etymology:ague (I) + -ish 1.: productive of, subject to, or resulting from ague < an aguish climate > < an aguish man > < aguish pains > 2.: somewhat chilly or quivering : shaky < one candle with a small aguish beam shaking in the cold — Edith Sitwell > • agu·ish·lyadverb