πικρόςpikrós
GreekG40892 occurrences (KJV)
sharp (pungent), i.e. acrid (literally or figuratively)
KJV renders it: bitter
Where it appears
Lexical data: Strong’s Hebrew & Greek Dictionaries (1890, public domain; openscriptures, CC-BY-SA). Word tagging from the Strong’s-numbered KJV.