Definition of social phobia in US English:

social phobia

noun

  • 1An irrational fear held by a society as a whole (rare).

  • 2Psychiatry a disorder characterized by extreme anxiety about, and usually avoidance of, specific social situations or general social contact, especially because of fear of possible embarrassment or criticism; (also) a specific fear of a social situation held by a person with this disorder.

Origin

Early 20th century; earliest use found in Journal of Philosophical, Psychological and Scientific Methods.