]siv also ]ziv adjective
Etymology: introvers ion + -ive
: characterized by or given to introversion:
a. : turned in upon itself : drawn in or invaginated
b. : tending to turn one's attention to one's own experience : notably marked by psychological introversion — opposed to extroversive ; contrasted with extratensive
• in·tro·ver·sive·ly ]sə̇vlē, ]zə̇- adverb