|Noah Webster's Dictionary|
1. (a.) Sinister; malignant; sorrowful; malicious; as, a baleful look.
2. (a.) Full of grief or sorrow; woeful; sad.
Baleful (1 Occurrence)
Jeremiah 4:14 O Jerusalem, wash thy heart from wickedness, that thou mayest be saved. How long shall thine evil thoughts lodge within thee? (See JPS)