Óheiðarlegri
Óheiðarlegri is a word in the Icelandic language. It is the dative singular feminine/neuter form of the adjective óheiðarlegur, which translates to "dishonest" or "unethical." The root of the word is "heiður," meaning honor or integrity. The prefix "ó-" negates the meaning, thus creating "lack of honor" or "dishonest."
The word óheiðarlegri would be used in a sentence where a noun in the dative case, which