insociably

Related to insociably: associable

in·so·cia·ble

 (ĭn-sō′shə-bəl)
adj.
Not sociable.

in·so′cia·bil′i·ty n.
in·so′cia·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

insociably

(ɪnˈsəʊʃəblɪ)
adv
in an insociable manner
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014