Dictionary
non-
a prefix meaning “not,” freely used as an English formative, usually with a simple negative force as implying mere negation or absence of something (rather than the opposite or reverse of it, as often expressed by
un- 1):
nonadherence; noninterference; nonpayment; nonprofessional. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.