Definition of "side-to-side" [side-to-side]

• Moving horizontally, from one side to another and back. (adjective)

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• "On the other hand, poor riding tires are jittery over rough roads, tend to crash into bumps, and cause excessively side-to-side motions."
• "Brush with a side-to-side motion, make sure to get under the gum line, she says."
• "You can still rotate them side-to-side as long as they aren't asymmetric with treads that change from the inside to the outside of the tire."