foul, unclean

Strong’s Dictionary of Greek Words:

Greek:
ἀκάθαρτος
Transliteration:
akathartos
Phonic:
ak-ath’-ar-tos
Meaning:
from 1 (as a negative particle) and a presumed derivative of 2508 (meaning cleansed); impure (ceremonially, morally (lewd) or specially, (demonic))
KJV Usage:
foul, unclean