a titled peer of the realm
inert especially toward oxygen
"a noble gas such as helium or neon"
"noble metals include gold and silver and platinum"
having or showing or indicative of high or elevated character
"a noble spirit"
of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times
"of noble birth"
impressive in appearance
"a baronial mansion"
"an imposing residence"
"a noble tree"
"severe-looking policemen sat astride noble horses"