Adjective
1. having high moral qualities;
"a noble spirit""a solid citizen""an upstanding man""a worthy successor"2. impressive in appearance;
"a baronial mansion""an imposing residence""a noble tree""severe-looking policemen sat astride noble horses""stately columns"3. of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times;
"of noble birth"4. having or showing or indicative of high or elevated character;
"a noble spirit""noble deeds"5. inert especially toward oxygen;
"a noble gas such as helium or neon""noble metals include gold and silver and platinum"