embitter

It is from that embittered class that authoritarian populism gets its followers.

As Lamar grins through the bright lights of his victory lap, Drake's chosen to sidestep the beef - bar one embittered freestyle denouncing fake friends - and instead focused on repositioning himself.

Post-election, the apparently embittered president has been “quiet quitting” — a sad end to what’s been, in its first years, a consequential presidency.

Set in 1872, Forsaken, focuses on embittered gunslinger John Henry Clayton's return to his hometown and his attempts to build bridges with his estranged father.

People on the right get embittered by people on the left.