Nouns

(n)Chineseany of the Sino-Tibetan languages spoken in China; regarded as dialects of a single language (even though they are mutually unintelligible) because they share an ideographic writing system
(n)Chinesea native or inhabitant of Communist China or of Nationalist China

Adjectives

(a)Chineseof or pertaining to China or its peoples or cultures“Chinese food”
(a)Taiwanese, Chinese, Formosanof or relating to or characteristic of the island republic on Taiwan or its residents or their language“the Taiwanese capital is Taipeh”