From Longman Dictionary of Contemporary Englishill willˌill ˈwill noun [uncountable] DON'T LIKEunfriendly or unkind feelings towards someone He said the accusation had been made from hatred and ill will.
Examples from the Corpus
ill will• Months of pent-up anger, frustration, and ill will were vented at Scottsdale.• Denying his guilt to the last, he said he didn't bear his wife any ill will.• This is accepted as part of the natural order and causes no ill will amongst the Knightly Orders.• He accused his estranged wife of being paranoid - but said he felt no ill will toward her.• Could she have treated him to similar displays of ill will as she showed her daughter?• Jon's arrogance created a lot of ill will within the company. 