introversion

noun

1. (uncountable, usually)A turning inward, particularly

   “This disease is sometimes produced by the introversion of the edge of the lower eyelid.”

2. (uncountable, usually)A turning inward

   “...their... Fastings, Prayings,... Introversions,... Humiliations, Mortifications...”

   “The attending to the voice of Christ within you is what [mystics] term Introversion.”

   “... Hamlet, who so perfectly typifies the introversion and complexity of modern thought as compared with ancient...”

3. (uncountable, usually)A turning inward

   “...so that when in later life there occurs an introversion (in the sense of Jung), it consists of a harking back to regressive, reminiscent, infantile material.”

   “I called the hysterical type the extraversion type and the psychasthénic type the introversion type.”

   “Patients with this disease are at times completely withdrawn from the world around them and give the picture of the very extreme of introversion.”

   “Eysenck has suggested the three dimensions of neuroticism, psychoticism and introversion-extraversion.”

   “The roots of what are popularly taken to be introversion and extroversion show up in infancy: positive emotionality, or extroversion, and negative emotionality, or neuroticism.”

4. (uncountable, usually)A turning inward

   “Such introversion is merely a matter of form.”