Insul
Limited in knowledge or perspective
Insular
a peculiar quality; a quirk
Idiosyncrasy
To list separately; to count off
Enumerate
baffled; confused
Nonplussed
to isolate; to choose
Single
To protect from outside influence
Insulate
A speech or a phrase specific to a particular group of people
idiom
So plentiful as to be uncount
Innumerable
an amount beyond what is necessary
Surplus
separated from others; unique
Singular
The greater part
Surplus