To and fro
Definition 1 of 1
Pro Tip 1/3Physical Movement
Used to describe literal physical motion, not mental or emotional states. 
The cat's tail moved to and fro as it watched the bird.
Pro Tip 2/3Slight Repetition
Implies a repetitive, often small-scale movement, not traveling long distances. 
She rocked the baby to and fro in her arms to soothe him.
Pro Tip 3/3Indecision
Can metaphorically suggest indecision or vacillation in one’s actions or thoughts. 
His opinions swung to and fro depending on the crowd.
Never forget "To and fro"
Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension