ビビリ

noun

coward; scaredy-cat; being easily frightened

Colloquial noun for a person who is easily scared or for the state of being timid. Often used in casual conversation.

• 彼かれはビビリだから、お化ばけ屋や敷しきには絶ぜっ対たいに入はいらない。

  He's such a scaredy-cat, so he would never go into a haunted house.

• ビビリな性せい格かくを直なおしたい。

  I want to overcome my timid nature.

noun

chatter; undesirable vibration in machine tools

Technical term in machining for unwanted vibration that affects precision. Not commonly known outside engineering contexts.

• この旋せん盤ばんはビビリが発はっ生せいしやすい。

  This lathe is prone to chatter.