What is the meaning of inferior?

noun

• One of lesser rank or station or quality.
• A character or symbol set or printed or written beneath or slightly below and to the side of another character.
  • synonyms: subscript

adjective

• Of or characteristic of low rank or importance.
• Of low or inferior quality.
• Written or printed below and to one side of another character.
  • synonyms: subscript
• Having an orbit between the sun and the Earth's orbit.
  • usage: "Mercury and Venus are inferior planets"
• Lower than a given reference point.
  • usage: "inferior alveolar artery"
• Falling short of some prescribed norm.
  • usage: "substandard housing"
  • synonyms: deficient, substandard