[{"Bold_text": "verb (used without object)", "List Items": ["(of unpleasant feelings, experiences, etc.) to continue to cause keen irritation or bitter resentment within the mind; fester; be painful.Synonyms: chafe , gall , irritate"]}, {"Bold_text": "verb (used with object)", "List Items": ["to cause keen irritation or bitter resentment in:His colleague's harsh criticism rankled him for days.Synonyms: chafe , gall , irritate"]}]