Frightening or scary; causing fear, anxiety, or dread.
あのホラー映画は本当に怖かった。
That horror movie was really scary.
暗い道を一人で歩くのは怖い。
It's scary to walk alone on a dark street.
彼女は高いところが怖いと言った。
She said she's afraid of heights.
その話は少し怖いけれど興味深い。
The story is a bit frightening but interesting.