- indicating negation: nonexistent
- indicating refusal or failure: noncooperation
- indicating exclusion from a specified class of persons or things: nonfiction
- indicating lack or absence, esp of a quality associated with what is specified: nonobjective, nonevent
WordReference Random House Learner's Dictionary of American English © 2026
non-, prefix.
WordReference Random House Unabridged Dictionary of American English © 2026- non-, usually meaning "not,'' is attached
- to adjectives and adverbs and means a simple negative or absence of something:non- + violent → nonviolent.
- to a noun of action and means the failure of such action:non- + payment → nonpayment (= failure to pay).
- to a noun to suggest that the thing mentioned is not true, real, or worthy of the name:nonevent.
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; nonpayment;nonprofessional.
- prefix representing Latin adverb, adverbial nōn not
Collins Concise English Dictionary © HarperCollins Publishers::
non- prefix
'non' also found in these entries (note: many are not synonyms or translations):
Aldiss
- Armenian
- Aryan
- barbarous
- BCE
- blackface
- bluebell
- Bodycombat
- cannon
- citizen journalism
- conjoined twins
- cross
- curtain wall
- Czechoslovakia
- ecumenical
- Egyptian
- Elam
- Etruscan
- event horizon
- Excellency
- fatwa
- fellow traveller
- Free World
- geometry
- giaour
- greenway
- hari-kari
- hepatitis C
- immigration
- in-
- Japheth
- Kaffir
- like
- linear programming
- lithography
- Lobachevsky
- manuhiri
- mindfulness
- native
- natural number
- NIDDM
- nolle prosequi
- non-
- nonchalant
- non-com
- non compos mentis
- nondescript
- nones
- non-Euclidean geometry
- nonfeasance