social anxiety
nounMedical Definition of social anxiety
: a form of anxiety that is brought about by social situations (such as meeting strangers, dating, or public speaking) in which embarrassment or a negative judgment by others may occur
Shyness, the most common form of social anxiety, occurs when a person's apprehensions are so great that they inhibit his making an expected or desired social response.— Daniel Goleman, The New York Times, 18 Dec. 1984
especially
: social anxiety disorder