γλυκύς
1. "sweet", Il., etc.:—metaph. "sweet, delightful", Hom., etc.:— γλυκύ ἐστι c. inf., Aesch., etc.
2. of water, "sweet, fresh", opp. to πικρός, Hdt.
3. after Hom., of persons, "sweet, dear", Soph.; ὦ γλυκύτατε "my dear fellow", Ar.:—sometimes in bad sense, "simple, silly", ὡς γλυκὺς εἶ! Plat.