adj
null
nuhl
adj
1
Having no legal or binding force; invalid.
"The contract was declared null after the fraud came to light."
2
Amounting to nothing; nonexistent or without effect.
"His objections were null once the deadline had passed."
noun
1
In computing, a value representing the absence of any data.
"The field returned null because the user never entered a phone number."
verb
1
To make void; to cancel out.
"The referee's decision nulled the goal."
How to Use Null
Learner’s notesIn plain EnglishHaving no value or effect — used both for legal matters ("null and void") and for missing data in computing.
Common mistake
In programming, "null" (no value) is not the same as zero or an empty string — mixing these up is a classic source of bugs.
Common pairings
null and void
null value
null hypothesis
Word Forms
more null comparative, nulled past tense, nulls plural, Nulls plural, nulls singular, most null superlative
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The contract was declared _____ after the fraud came to light.
Etymology
Borrowed from Middle French nul, from Latin nullus, "none at all".