ಅರ್ಥ : A fungal disease of woody plants that causes localized damage to the bark.
ಅರ್ಥ : An ulceration (especially of the lips or lining of the mouth).
ಸಮಾನಾರ್ಥಕ : canker sore
ಅರ್ಥ : A pernicious and malign influence that is hard to get rid of.
ಉದಾಹರಣೆ :
Racism is a pestilence at the heart of the nation.
According to him, I was the canker in their midst.
ಸಮಾನಾರ್ಥಕ : pestilence