ENGLISH
REFERENCE

non

adv. · n.
US //ˈnɑn// UK //nˈɒn// non
  1. 1 not (adv.)
    B1 Intermediate Informal

    used to mean 'not' before an adjective, though it is usually written as a prefix with a hyphen.

    used as a non-standard or informal negator of a following adjective; standard usage typically requires the prefix 'non-'.

    Example

    The manager said the price was non negotiable.

    Example

    In casual correspondence, he often used 'non' as a standalone adverb to negate adjectives, though his formal reports strictly followed standard hyphenation rules.

    Usage

    Usually functions as a prefix rather than a standalone adverb in formal writing.
    Pitfall
    The rules are non negotiable.
    The rules are non-negotiable.

    In standard English, 'non' is a prefix and should be attached to the word with a hyphen, not written as a separate word.

  2. 2 a non-Muslim (n.)
    C1 Advanced Dialect Slang Religion

    a person who is not a Muslim.

    a colloquial term used to refer to a citizen who does not practice Islam.

    Example

    The restaurant serves both Muslims and nons.

    Example

    The local policy was designed to ensure that nons were afforded the same protections as the majority of the population during the festival.

    Teacher's tip

    This usage is specific to certain regions, particularly Malaysia and Singapore; it may be considered insensitive or overly reductive in other English-speaking contexts.

Last updated June 19, 2026