What is another word for not catching?
Pronunciation: [nˌɒt kˈat͡ʃɪŋ] (IPA) 
The phrase "not catching" can be described in various ways using synonyms. It could be phrased as "missing out on" or "unsuccessful in grasping." Another option is "failing to capture," which implies the inability to secure or apprehend something. "Non-contagious" or "non-infectious" are valid synonyms if the context refers to the spread of illness or disease. Another angle is to use more nuanced expressions such as "eluding" or "escaping," suggesting a more evasive entity or concept. Overall, there are several synonyms that can be used depending on the context and intended meaning of "not catching".
