A noble is a titled peer of the realm or an aristocrat. As an adjective, noble describes someone with high or elevated character, or who is impressive in appearance.

From feudal times, we have known nobles as the heirs to thrones or as the holders of aristocratic title. British aristocracy, for example, produces many people of various noble titles, including dukes, earls, princes, kings, and queens. As various royal histories tell us, however, many of these nobles in title weren't quite so noble in character.

Definitions of noble
  1. adjective
    of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times
    “of noble birth”
    aristocratic, aristocratical, blue, blue-blooded, gentle, patrician
    belonging to or characteristic of the nobility or aristocracy
    august, grand, lordly
    of or befitting a lord
    coroneted, highborn, titled
    belonging to the peerage
    imperial, majestic, purple, regal, royal
    belonging to or befitting a supreme ruler
    kinglike, kingly
    having the rank of or resembling or befitting a king
    monarchal, monarchical
    having the characteristics of or befitting or worthy of a monarch
    having the rank of or befitting a prince
    queenlike, queenly
    having the rank of or resembling or befitting a queen
    being of the rank of a monarch
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    of humble birth or origins
    low-class, lower-class
    occupying the lowest socioeconomic position in a society
    base, baseborn, humble, lowly
    of low birth or station (`base' is archaic in this sense)
    common, plebeian, unwashed, vulgar
    of or associated with the great masses of people
    ignoble, ungentle, untitled
    not of the nobility
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  2. adjective
    having or showing or indicative of high or elevated character
    “a noble spirit”
    noble deeds”
    honorable, honourable
    worthy of being honored; entitled to honor and respect
    dignifying, ennobling
    investing with dignity or honor
    elevated, exalted, grand, high-flown, high-minded, idealistic, lofty, noble-minded, rarefied, rarified, sublime
    of high moral or intellectual value; elevated in nature or style
    greathearted, magnanimous
    noble and generous in spirit
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    completely lacking nobility in character or quality or purpose
    cowardly, fearful
    lacking courage; ignobly timid and faint-hearted
    contemptible, misbegotten
    deserving of contempt or scorn
    dishonorable, dishonourable
    lacking honor or integrity; deserving dishonor
    base, mean, meanspirited
    having or showing an ignoble lack of honor or morality
    base and cowardly
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  3. adjective
    impressive in appearance
    “a noble tree”
    “severe-looking policemen sat astride noble horses”
    synonyms: baronial, imposing, stately
    making a strong or vivid impression
  4. noun
    a titled peer of the realm
    synonyms: Lord, nobleman
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    Lady, noblewoman, peeress
    a woman of the peerage in Britain
    Don Juan
    a legendary Spanish nobleman and philanderer who became the hero of many poems and plays and operas
    Roger de Mortimer
    English nobleman who deposed Edward II and was executed by Edward III (1287-1330)
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    a nobleman entitled to bear heraldic arms
    a nobleman (in various countries) of varying rank
    a nobleman ruling a German castle and surrounding grounds by hereditary right
    a nobleman (in various countries) having rank equal to a British earl
    a nobleman (in various countries) of high rank
    a nobleman of highest rank in Spain or Portugal
    a German nobleman ranking above a count (corresponding in rank to a British marquess)
    marquess, marquis
    nobleman (in various countries) ranking above a count
    mesne lord
    a feudal lord who was lord to his own tenants on land held from a superior lord
    a term of address for an English lord
    palatine, palsgrave
    (Middle Ages) the lord of a palatinate who exercised sovereign powers over his lands
    a nobleman (duke or marquis or earl or viscount or baron) who is a member of the British peerage
    a title of address formerly used for a man of rank and authority
    a feudal lord or baron
    (in various countries) a son or younger brother or a count
    a British peer of the lowest rank
    count palatine
    a count who exercised royal authority in his own domain
    a British peer of the highest rank
    a British peer ranking below a marquess and above a viscount
    Earl Marshal
    an officer of the English peerage who organizes royal processions and other ceremonies
    a count who had jurisdiction over a large territory in medieval Germany
    life peer
    a British peer whose title lapses at death
    a British peer ranking below a duke and above an earl
    peer of the realm
    a peer who is entitled to sit in the House of Lords
    a British peer who ranks below an earl and above a baron
    a noblewoman holding the rank of viscount in her own right
    type of:
    male aristocrat
    a man who is an aristocrat
  5. adjective
    inert especially toward oxygen
    “a noble gas such as helium or neon”
    noble metals include gold and silver and platinum”
    (chemistry) not reacting chemically
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