What is the meaning of puzzled?

verb

• Be a mystery or bewildering to.
  • usage: "This beats me"; "Got me-I don't know the answer"; "a vexing problem"; "This question really stuck me"
  • synonyms: perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound
• Be uncertain about; think about without fully understanding or being able to decide.
  • usage: "We puzzled over her sudden departure"
  • synonyms: puzzle

adjective

• Filled with bewilderment.
  • usage: "at a loss to understand those remarks"; "puzzled that she left without saying goodbye"
  • synonyms: at a loss, nonplused, nonplussed