Thanks for using this online dictionary, we have been helping millions of people improve their use of the Sinhala language with its free online services. English meaning of නසවනවා is as below...

නසවනවා : නසවනවා, v. c. of නසනවා: to cause to kill or destroy; pret. නැසෙවුවා; v. n. නැසවීම.