What is another word for stopping up?
Pronunciation: [stˈɒpɪŋ ˈʌp] (IPA) 
The phrase "stopping up" is often used to refer to the process of blocking or obstructing something. There are several synonyms for this phrase that convey a similar meaning, including "plugging," "sealing," "blocking," and "clogging." Other possible synonyms include "obstructing," "hindering," "preventing," and "interfering with." Regardless of the term used, the idea behind these synonyms is to describe an action which prevents flow, movement, or progress in some way. Whether this is achieved through physical means, such as by placing a barrier, or through more abstract means, such as by impeding progress, these synonyms all capture the essence of "stopping up".
