Learn how to say Hungarians correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Hungarian:
relating to Hungary, its people, or their language.
1a native or inhabitant of Hungary, or a person of Hungarian descent.
2 [mass noun] the official language of Hungary, spoken also by some 2.5 million people in Romania. Hungarian is a Finno-Ugric language and is the only major language of the Ugric branch. Also called Magyar.
from medieval Latin Hungarī (a name given to the Hungarians, who called themselves the Magyar) + -an