1. playground equipment consisting of a long board balanced on a central support, allowing children to sit on opposite ends and move up and down alternately
2. a situation characterized by alternating or fluctuating conditions
Usage: figurative

1. to move up and down or back and forth alternately

Examples

• The children played on the seesaws at the playground.
• There are three wooden seesaws in the park.
• The stock market seesaws between gains and losses.
• Her emotions seesaw between excitement and anxiety.
• The political debate seesaws back and forth on this issue.
• The team’s performance seesaws from game to game.
• Public opinion seesaws on the controversial topic.