morally good or generous in a way that is admired:
It's very noble of you to spend all your weekends helping the old folk.
2 [only before noun]
belonging to the nobility
noble family/blood/birth etc
a member of an ancient noble family
The Marquis would have to marry a woman of noble blood.
something that is noble is very impressive and beautiful:
the old church with its noble tower
a noble gas or metal is not affected chemically by other substances ➔ base metal
someone who comes from a society that is less developed or interested in money than western countries, making them morally better than people who live in western countries