¹ swing verb

• to move backward and forward or from side to side while hanging from something
• to move with a smooth, curving motion
• to move (your arm, a tool, etc.) with a quick, curving motion especially to try to hit something

² swing noun

• an act of moving something with a quick, sweeping motion : an act of swinging a bat, fist, etc.
• the movement of something that swings backward and forward or from side to side
• a usually sudden change from one state or condition to another

³ swing adjective

• of or relating to the style of jazz music called swing
• not certain to vote for a particular candidate or party in an election and therefore often able to decide the result of the election