We don't have synonyms for sinese yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are sines, sienese and senese.
(n) :
(rare) The Chinese people or a Chinese person, (particularly) with reference to the historical southern Chinese known to the Greeks and Romans as the Sinae.
(adj) :
(rare, historical) Of or relating to the Sinae or their homeland.
(n) :
(rare) The Chinese people or a Chinese person, (particularly) with reference to the historical southern Chinese known to the Greeks and Romans as the Sinae.
(adj) :
(rare, historical) Of or relating to the Sinae or their homeland.