possul
Invalid for ceremonial or official purposes.
You should not use your best friends as witnesses as they may be considered prejudiced and may possibly be considered posul as witnesses.
Not permitted for consumption
Where it comes from
Borrowed from Yiddish פּסול (posl), from Hebrew פָּסוּל (pasúl).
Adapted from the Wiktionary entry possul (CC BY-SA 4.0).