Definitions
1.verbTo be unwilling to give or allow (someone something).
2.verbTo grumble, complain; to be dissatisfied.
3.verbTo hold or harbour with malicious disposition or purpose; to cherish enviously.
4.verbTo feel compunction or grief.
5.nounThe state of bearing a grudge.
6.adjectiveUnwilling or with reluctance."her grudging acceptance that her rival deserved the award"