As a Verb or Adjective: 1. To not notice something. English = miss, overlook. 2. To fail to hit something when you have aimed something at it; to fail to catch something such as a bus, plane, or train; to fail to be involved in something. English = miss; miss; miss out. 3. To feel sad because someone is no longer with you; or to feel sad because you no longer have or experience something. English = miss. 4. To be difficult or impossible to find because someone or something is not in the place that it is expected to be. English = (be) missing.