Definify.com
Webster 1913 Edition
Non-
Non-
(nŏn-)
p
ref.
A prefix used in the sense of
not
; un
-; in
-; as in non
attention, or non
-attention, non
conformity, non
metallic, non
suit. ☞ The prefix non- may be joined to the leading word by means of a hyphen, or, in most cases, the hyphen may be dispensed with. The list of words having the prefix non- could easily be lengthened.