This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Bitter, long-lasting resentment; deep-seated ill will. See Synonyms at enmity.

n. The deepest malignity or spite; deep-seated enmity or malice; inveterate hatred.

n. The deepest malignity or spite; deep-seated enmity or malice; inveterate hatred.

n. Sourness; bitterness.

n. Rankling malice or spitefulness; bitter animosity; in general, a soured or cankered disposition, inciting to vindictive action or speech; a nourished hatred or grudge.

n. Synonyms Asperity, Harshness, etc. (see acrimony), Illwill, Enmity, etc. (see animosity), gall, spleen, spite, spitefulness, rankling, hate, hatred, malevolence, bad blood.

n. a feeling of deep and bitter anger and ill-will

"I don't understand what's happened to people, and knowing full well that this climate of political rancor is nothing new in our young democracy does nothing to assuage the absolute screaming terror that what we see in the now is only a preview of what my kids will face in the future."

ill will    hostility    enmity   

rancid   

rancour   

sulkiness    envy    heartburning    grudge    score    huffishness    grievance    enviousness   

rancorously    rancorous   

malice    malignity    animosity    grudge    ill will    spite    enmity    hatred    ill-will   

anchor    anker    banker    canker    danker    hanker    ranker    shanker    tanker   

rancour    malevolence    animosity    antipathy    vexation    vindictiveness    resentment    repugnance    mistrust    antagonism