rankling is rankle's Present Participle

rankle

US [ˈræŋk(ə)l]
UK ['ræŋk(ə)l]
  • v.红肿;压在胸口[心头];激怒;使怨恨
  • Web溃烂;怨望;化脓
Simple Present:rankles  Present Participle:rankling  Past Tense:rankled  
v.
1.
〈古,诗〉痛
2.
红肿
3.
(怨恨,失望等)使心痛,压在胸口[心头]
4.
激怒;使怨恨
1.
〈古,诗〉痛
2.
红肿
3.
(怨恨,失望等)使心痛,压在胸口[心头]
4.
激怒;使怨恨