Offensive was a reason given for the move I m not arguing against you exclusively They only mean the same thing in dictionary land Nepali is almost universally used for the national language Nepali Sign Language therefore suggests a connection to Nepali Nepalese is almost never used for the language You do however speak of Nepalese languages and this is one of them For example Nepalese linguistics 2003 Linguistic Society of Nepal speaks of Nepalese Languages but of Nepali as the national language A Foundation in Nepali Grammar Manders 2007 presents Nepali in the context of other Nepalese languages Language Contact and Contact Languages Siemund Kintana 2008 discusses the influence Nepali has had on other Nepalese languages Language Planning in Nepal Taiwan and Sweden Baldauf 2000 does the same There is a strong tendency to use Nepali for the national language and Nepalese for languages of Nepal in general NSL is one of those Nepalese languages because it certainly is not Nepali