Strong's #4087: pikraino (pronounced pik-rah'-ee-no)

from 4089; to embitter (literally or figuratively):--be (make) bitter.

Thayer's Greek Lexicon:

́

pikrainō

1) to make bitter

1a) to produce a bitter taste in the stomach

2) to embitter. exasperate

2a) render angry, indignant

2b) to be embittered, irritated

2c) to visit with bitterness, to grieve (deal bitterly with)

Part of Speech: verb

Relation: from G4089

Citing in TDNT: 6:122, 839

Usage:

This word is used 4 times:

 

Colossians 3:19: "love your wives, and be not bitter against them."
Revelation 8:11: "of the waters, because they were made bitter."
Revelation 10:9: "it, and eat it up; and it shall make thy belly bitter, but"
Revelation 10:10: "I had eaten it, my belly was bitter."