napeniony
Napeniony is not a standard Polish word and does not have a widely recognized definition in major dictionaries. In contemporary Polish, forms that denote “tense” or “taut” are typically napięty or napięty, and the verbs napiąć or napinać are used for “to tighten” or “to stretch.” As a standalone adjective, napeniony does not establish a clear, agreed meaning in standard usage.
Because napeniony is not established in authoritative references, its appearance is most likely due to one
Usage and guidance: if you encounter napeniony, consider whether the author intends a sense related to tension
See also: napięty, napieńąć (if used), napiąć, napinać. There are no widely known entities, places, or persons