悪賢い (わるがしこい) Japanese meaning | KotomoraCommon wordJLPTN1 Meanings
1
i-adjective
cunning; crafty; wily; sly
Describes someone who uses cleverness in a negative, self-serving way; implies shrewdness with a dishonest or manipulative edge.
あの子は悪賢くて、いつも言い訳ばかりしている。
That kid is sly and always making excuses.