The meaning of NON- is not : other than : reverse of : absence of. How to use non- in a sentence. NON- definition: 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 … NON- definition: 1. used to add the meaning "not" or "the opposite of" to adjectives and nouns: 2. Shop online for non in KSA. Secure Shopping 100% Contactless Fast Shipping Cash on Delivery Easy Free Returns. Mar 19, 2026 · non-: Used in the sense of no or none, to show lack of or failure to perform; or in the sense of not, to negate the meaning of the word to which it is prefixed. Find similar words to non- using the buttons below. Feb 29, 2016 · Each word features a picture and a definition to help students learn more about non-. This video is a good introduction to the non- prefix and can also be used for review. Definition of non- prefix in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.