What is the meaning of flexible?

adjective

• Capable of being changed.
  • usage: "flexible schedules"
• Able to flex; able to bend easily.
  • usage: "slim flexible birches"
  • synonyms: flexile
• Able to adjust readily to different conditions.
  • usage: "an adaptable person"; "a flexible personality"; "an elastic clause in a contract"
  • synonyms: elastic, pliable, pliant
• Bending and snapping back readily without breaking.
  • synonyms: whippy
• Making or willing to make concessions.
  • usage: "loneliness tore through him... Whenever he thought of... Even the compromising Louis du Tillet"
  • synonyms: compromising, conciliatory