evil ways; wicked practices
Refers to morally corrupt or malevolent methods, often in a figurative or religious context.
彼は邪術を使って人を騙した。
He deceived people using evil ways.
Specifically denotes occult or supernatural practices intended to harm or control others.
その村では邪術を使う者が恐れられていた。
In that village, those who practiced sorcery were feared.
Compound of 邪 (ja, 'wicked, evil') and 術 (jutsu, 'technique, art'). The exact historical derivation is uncertain, but the term has been used to describe malevolent practices in both secular and occult contexts.