side to side
/ˈsaɪd tə ˈsaɪd/
adverb
- Moving alternately from one side to the other.
- She shook her head side-to-side to say no.
- The boat rocked side-to-side in the waves.
- The pendulum swung side-to-side.
adjective
- Moving or positioned from one side to the other.
- The side-to-side motion of the fan cooled the room.
- The dance involved a simple side-to-side step.
- He did side-to-side stretches before the race.