μωρός (mōrósmo-ros'adjectivefoolish)
[Grk] μωρός LN: 32.55, 32.58 GK: G3704 Hebrew: אֱוִיל, נָבָל, שָׂכַל, שָׂכַל
Derivation: probably from the base of μυστήριον;
Strong's: dull or stupid (as if shut up), i.e. heedless, (morally) blockhead, (apparently) absurd
KJV: --fool(-ish, X -ishness).
See: μυστήριον