निःसंशयम्niḥsaṃśayamind. undoubtedly, surely MBh. R.
indeclinable undoubtedly, surely MBh. R.
कोशःDictionaries
Every entry for a word in Apte, Monier-Williams, Macdonell and the Dhātupāṭha, with their abbreviations spelled out, and an analysis of its forms.