The word shy can be:-

• An adjective, see shyness.
• An intransitive verb meaning, of an animal such as a horse, to jerk away from something that it does not trust, such as from red-and-white plastic tape flapping in the wind.
• A transitive verb meaning to throw.
• A 2002 single release by The Glue, see Shy (The Glue single).
• A webcomic loosely based on the events of Yoshi's Island, see Shy (comic).
• A British Classic rock band, see shy(band)