précieux

[ prey-see-oo; French prey-syœ ]
/ ˌpreɪ siˈʊ; French preɪˈsyœ /

adjective

(of a man) overly fastidious or refined; precious; affected.

noun, plural pré·cieux [prey-see-oo z; French prey-syœ] /ˌpreɪ siˈʊz; French preɪˈsyœ/.

an affected or excessively fastidious man, as in dress, manner, or speech.

Origin of précieux

1890–95; < French; literally, precious