Definition of "extrovert"

extrovert

/ˈɛkstɹəvəːt/

noun
plural extroverts
1. (informal psychology) An extroverted person: one who is outgoing, sociable, and concerned with outer affairs.
  Quotations
  In order to understand the marked contract between Comte's mental attitude during his early years and that of his later life, we must keep in mind Jung's hypothesis of the two psychological types, the introvert and extrovert,—the thinking type and the feeling type.
  1918 April, Phyllis Blanchard, “A Psycho-Analytic Study of August Comte”, in American Journal of Psychology, page 163
  He cannot find the fabled boatman, but he does come across the two stone images that belong to the boatman, and in rage and frustration, the great heroic extrovert, the man who is used to acting out whatever he feels inside, smashes the stones.
  1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 201
adjective
comparative more extrovert, superlative most extrovert
1. (informal psychology) Alternative form of extroverted: outgoing.
verb
third-person singular simple present extroverts, present participle extroverting, simple past and past participle extroverted
1. (transitive) To turn or thrust outwards.
  Quotations
  The external and combustible Sulphur... is... protruded and extroverted.
  1671, John Webster, Metallographia, page 197