óskaðleg
óskaðleg is an Icelandic adjective that means undesirable, unwelcome, or not desirable. It is used to describe people, actions, policies, or conditions that are considered inappropriate or unsuitable in a given context. In English, its closest equivalents are undesirable, inappropriate, or disfavored. The term carries a normative sense, signaling that certain behavior or situations should be avoided or corrected.
In practice, óskaðleg is most often found in formal or prescriptive language, such as codes of conduct,
Etymology: the word is formed with the negating prefix ó- attached to a stem related to desirability.