1. having no legal validity; void
Usage: legal
2. having no value, effect, or significance; amounting to nothing

1. something of no legal validity
Usage: legal
2. a zero or blank value in data processing
Usage: computing

1. to nullify or make void
Usage: legal

Examples

• The contract was declared null due to fraud.
• His efforts had a null effect on the outcome.
• The database returned a null value for that field.
• The court ruled the agreement null and void.
• The variable was initialized to null.
• The judge decided to null the previous ruling.
• A null hypothesis assumes no relationship between variables.
• The null set contains no elements.