rancour
noun
[ ˈraŋkə ]
• bitterness or resentfulness, especially when long standing.
• "he spoke without rancour"
Similar:
bitterness,
spite,
hate,
hatred,
resentment,
malice,
ill will,
malevolence,
malignancy,
animosity,
antipathy,
enmity,
hostility,
acrimony,
venom,
poison,
vindictiveness,
balefulness,
vengefulness,
vitriol,
virulence,
perniciousness,
meanness,
nastiness,
bitchiness,
cattiness,
maleficence,
Opposite:
amicability,
Origin:
Middle English: via Old French from late Latin rancor ‘rankness’ (in the Vulgate ‘bitter grudge’), related to Latin rancidus ‘stinking’.