null

adjective
UK: /nʌl/
US: /nʌl/

  1. Having no legal force or effect; invalid.

    1. The contract was declared null after the investigation.
    2. If the payment isn't received on time, the agreement becomes null and void.

  2. Of no value or consequence; without significance.

    1. Her efforts to help were rendered null by his refusal.
    2. All his arguments became null when the key evidence was revealed in court.

  3. Mathematics: Representing zero or nothing.

    1. The null set contains no elements at all actually.
    2. In this programming language, a null pointer indicates an absence of a value.

Synonyms

invalid void zero nothing cancel negate
null noun

  1. Something that has no value or significance; a zero.

    1. The program returned a null value unexpectedly.
    2. The database contained a null in the 'age' field for some entries.

  2. The absence of any data or value; nothing.

    1. The function returned null because it couldn't find the data.
    2. You should handle the case where the input is null to prevent program errors.
null verb

  1. To make something invalid or ineffective; to negate.

    1. The judge can null the decision.
    2. The higher court has the power to null any ruling made in the lower courts.

Frequently Asked Questions

The word "null" in English means: Having no legal force or effect; invalid., Of no value or consequence; without significance., Mathematics: Representing zero or nothing..

The phonetic transcription of "null" is /nʌl/ in British English and /nʌl/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "null": invalid, void, zero, nothing, cancel, negate.

Example usage of "null": "The contract was declared null after the investigation.". More examples on the page.