1. To avoid using, accepting, engaging in, or partaking of: shun someone's advice; shun public recognition; shun fatty foods.

2. To refuse to accept socially; avoid having social contact with: "Oddly, by being one of the few players who spoke candidly about the business of baseball, he was often shunned by the business world itself" (David Grann).

3. To stay away from; not go to: "He shunned the elevator and started up the broad marble stairs" (Frederick Irving Anderson).