ignoble

/ɪɡˈnoʊbəl/
adjective
  1. Having or showing a lack of honor or moral standards; dishonorable or base.
    • It was an ignoble act to blame the intern for the manager's own mistake.
    • The spy's ignoble betrayal shocked his closest friends.
    • She refused to take part in the ignoble competition for the promotion.
  2. Of low birth or common origin (historical or formal use).
    • The story tells of a hero who rose from ignoble beginnings to become a king.
    • In ancient times, people of ignoble birth were rarely allowed to become knights.
    • He was proud of his family's history, even though they were of ignoble lineage.