What's the adjective for Malaysia? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs Malayise, Malayize and Malaysianize which may be used as adjectives within certain contexts.
Malay
Of or relating to the Malays, a people living in Brunei, on the eastern coast of Sumatra, the islands of Bangka and Belitung, the Riau archipelago and the coastal areas of Kalimantan in Indonesia, in most of Malaysia (states where they are politically dominant), in Singapore and in the southernmost provinces of Thailand.
(usage generally frowned upon by Malays and Malaysians) Of or related to Malaysia, its people and/or culture.
In, of or otherwise relating to Malay, a generic name for the languages spoken by Malays.