Malicieux : adj. (word from Latin malitiosus " bad ").
The adjective "malicious" has several meanings:
1. Aged sense: bad, bad.
2. Modern meaning: Who has malice, who has fun, laughs willingly at the expense of others (naughty, mischievous, joker, clever, mocking, mocking, teasing).
Have a mind bright and mischievous.
By extension : Eye, Regard, laugh, mischievous smile (sly).
Reflection, reply mischievous (spicy).
Opposites of malicious: good, candid, naive, silly.