'Embittered' in the Bible

But the Jews who disbelieved stirred up the minds of the Gentiles and embittered them against the brethren.

Husbands, love your wives and do not be embittered against them.

while it is said,“Today [while there is still opportunity] if you hear His voice,Do not harden your heart, as when they provoked Me [in the rebellion in the desert at Meribah].”

So I took the little book from the angel’s hand and ate it, and in my mouth it was as sweet as honey; but once I had swallowed it, my stomach was bitter.