Translation

不吉な / 悪意のある / 威嚇的な

Meaning

Baleful describes a look, presence, or sign that seems threatening, hostile, or likely to bring harm. It is literary and often used for a glare, omen, or atmosphere. The trap is confusing it with baneful, which focuses more on causing harm.

Examples

• 彼女は会議室の向こうから不吉なにらみを投げました。
  She gave him a baleful glare from across the room.
• 古い屋敷には不気味で敵意を感じさせる雰囲気がありました。
  The old house had a baleful atmosphere.