"an unsociable nature...shy and reserved"; "generally unsociable except with intimate friends"; "unsociable behavior"; "an unsociable neighborhood"
is similar to
shunning contact with others
"standoffish and antisocial"; "he's not antisocial; just shy"
is similar to
not disposed to seek company
"a lonely ungregarious person"
see also
not disposed to friendship or friendliness
"an unfriendly coldness of manner"; "an unfriendly action to take"
see also
not seeking or given to association; being or living without companions
"the unsocial disposition to neglect one's neighbors"
is an attribute of
the relative tendency or disposition to be sociable or associate with one's fellows