Introvert

• POS: Adjective, Noun, Verb (usu participle), Verb (transitive)
• HYPHEN: in=tro=vert

CIDE DICTIONARY

Introvert, v. t. [Pref. intro- + L. vertere, versum, to turn.].

•  To turn or bend inward.  Cowper.  [1913 Webster]
•  To look within; to introspect.  Lew Wallace.  [1913 Webster]

Introvert, n. 

•  A person who is introverted; one concerned predominantly with himself or his own feelings. Contrasted with extrovert.  [PJC]
•  A person who is shy.  [PJC]
•  A part that can be introverted{1}.  [PJC]

OXFORD DICTIONARY

Introvert, n., adj., & v.
--n.
1 Psychol. a person predominantly concerned with his or her own thoughts and feelings rather than with external things.
2 a shy inwardly thoughtful person.
--adj. (also introverted) typical or characteristic of an introvert.
--v.tr.
1 Psychol. direct (one's thoughts or mind) inwards.
2 Zool. withdraw (an organ etc.) within its own tube or base, like the finger of a glove.

Derivative

introversion n. introversive adj. introverted adj. introvertive adj.

Etymology

INTRO- + vert as in INVERT

THESAURUS

Introvert

ambivert, choleric, convert, cycloid, cyclothyme, cyclothymic, ectomorph, endomorph, evert, extrovert, intussuscept, invaginate, inverse, invert, melancholic, mesomorph, phlegmatic, pronate, resupinate, reverse, revolve, rotate, sanguine, schizoid, schizothyme, supinate, syntone, transpose, turn about, turn around, turn down, turn in, turn inside out, turn out, turn over, turn the scale, turn the tables, turn upside down

ROGET THESAURUS

Introvert

Inversion

VB be inverted, turn round, turn about, turn to the right about, go round, go about, go to the right about, wheel round, wheel about, wheel to the right about, turn over, go over, tilt over, topple over, capsize, turn turtle, invert, subvert, retrovert, introvert, reverse, up turn, over turn, up set, over set, turn topsy turvy, culbuter, transpose, put the cart before the horse, turn the tables.