What is another word for walking up and down?
Pronunciation: [wˈɔːkɪŋ ˌʌp and dˈa͡ʊn] (IPA) 
Walking up and down can be described in many different ways depending on the context and the mood of the person who's doing it. Some synonyms for this motion include pacing, striding, roaming, pacing back and forth, patrolling, treading, strolling, marching, sauntering, wandering, ambling, and meandering. Pacing may be used to describe someone who is actively thinking or agitated while sauntering may connote a more relaxed or care-free stroll. Similarly, wandering suggests a lack of direction or purpose while patrolling may imply more of an authoritative or watchful presence. Regardless of the synonym used, walking up and down is a common human behavior that can communicate a wide range of emotions and intentions.
