iscariotic
adjective
is·car·i·ot·ic
(¦)i¦skarē¦ätik,
ə¦sk-
variants or iscariotical
-tə̇kəl
: of, relating to, or having the characteristics of Judas Iscariot
specifically : treacherous
Word History
Etymology
Judas Iscariot, apostle that betrayed Jesus + English -ic or -ical