πικρός, -ά, -όν (poët. in cl.), [in LXX chiefly for מַר ;] 1. sharp, pointed. 2. sharp to the senses; of taste, bitter: opposite to γλυκύ, Jas.3:11; metaphorically, harsh, bitter: Jas.3:14 (AS)
STRONG'S WORD STUDY
G4089 — πικρός
pikros · bitter · Greek