sway The word "sway" is used for a back-and-forth movement. Certain things are known to sway, especially when its windy outside. - Trees sway in the wind. This is what makes them stronger.
- Long bridges are flexible and they sway in the wind.
- A skyscraper sways back and forth a little in the wind. If it remained rigid, that could cause some problems for the structure of the building.
- Don’t drive behind a trailer that sways back and forth on the highway. It’s dangerous.
- Boats sway in the water.
- People who dance can sway to the music.
- I have a little bit of sway in my schedule. (sway = flexibility. In this sentence, "sway" is a noun.)
 She’s dancing and swaying to the music.
The word "sway" also means to influence or have power over other people. - We can’t sway him. He won’t change his mind.
- She won’t be swayed. (No one can change her mind.)
- Tony was swayed by the sales pitch and bought a new car.
- Roger doesn’t have much sway in the company. (In this sentence, the word "sway" is used as a noncount noun.)
- How much sway do you have with your supervisor?
Click here to learn more words. May 28, 2014 | 
She’s dancing and swaying to the music.