가시

A pointed object whose end looks like a needle.

Small bones of a fish.

The thin, pointed end, usually of the stem of a plant such as a rose, that is stuck in one's skin.

(figurative) An expression used to cause discomfort or to attack the listener.

A thin, pointed, needle-like part protruding from the stem, leaf, fruit, etc.,of a plant.

가시가 돋다

To bear malice or discontent.

To bear vicious malice or strong discontent.

For words to imply offensive intention to hurt someone's feeling.