opsional

== Indonesian == === Etymology === From English optional. Displacing opsionil, a Dutch loanword. Cognate to Afrikaans opsioneel. === Pronunciation === Rhymes: -si, -sional === Noun === opsional (plural opsional-opsional) optional === Further reading === “opsional”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016