The Osing language (Osing: Basa Using; ), locally known as the language of Banyuwangi, is the language of the Osing people of East Java, Indonesia.
Some Osing words have the infix /-y-/ 'ngumbyah', 'kidyang', which are pronounced /ngumbah/ and /kidang/ in standard Javanese, respectively.
Divergent Osing vocabulary includes: osing/sing 'not' (standard Javanese: ora) paran 'what' (standard Javanese: åpå Paran in standard Javanese mean existing) kadhung 'if" (standard Javanese:yèn,lèk,nèk, dhonge) kelendhi 'how' (standard Javanese:kepiyè,piyè) maning 'again' (standard Javanese:manèh,the Banyumasan dialect and some Gresik of Javanese also uses 'maning') isun 'I/me' (standard Javanese:aku, Kedu and Gresik sometimes also uses 'isun') rikå 'you' (standard Javanese:kowè,the Banyumasan dialect also uses "rikå") ring/nong 'in/at/on' (standard Javanese:ning,nang, Malang also uses 'nong' , the Balinese language and Old Javanese also uses "ring") masiyå/ambèknå 'even if'/'although' (standard Javanese:senadyan,senajan,najan, the Arekan dialect of Javanese also uses 'masiyå' / ambekna )