Answers:
INTROVERT
WordNet - Cite This Source introvert
noun
1. (psychology) a person who tends to shrink from social contacts and to become preoccupied with their own thoughts [ant: extravert]
verb
1. fold inwards; "some organs can invaginate" [syn: invaginate]
2. turn inside; "He introverted his feelings"
WordNet® 2.1, © 2005 Princeton University
http://dictionary.reference.com/browse/i...
EXTROVERT
WordNet - Cite This Source extrovert
adjective
1. being concerned with the social and physical environment
noun
1. (psychology) a person concerned more with practical realities than with inner thoughts and feelings [ant: introvert]
WordNet® 2.1, © 2005 Princeton University
http://dictionary.reference.com/browse/e...
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