1.
euphoria, sense of bliss, feeling of intense happiness
An overwhelming feeling of happiness or well-being, sometimes beyond what the situation warrants. Used in both medical/psychological contexts (e.g., drug-induced euphoria) and everyday language (e.g., the runner's high).
Common patterns
多幸 (great happiness) + 感 (feeling, sense). Literally "a feeling of abundant happiness."
Usage
多幸感 is used in both medical and general contexts. In medicine, it describes the euphoric effects of certain drugs or neurological conditions. In everyday language, it describes moments of overwhelming joy or contentment.