nullity

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Definitions from WordNet

Noun nullity has 1 sense

nothingness, void, nullity - the state of nonexistence
--₁ is a kind of nonexistence, nonentity
--₁ has particulars: thin air

Definitions from the Web

Nullity

Definition:

A noun referring to the state or quality of being null, void, or lacking significance or importance.

Sense 1:

Noun

The condition of having no legal or binding force.

Example sentences:

The contract was declared nullity due to the lack of signatures.
The judge ruled that the marriage was a nullity since it was never valid under the law.
In court, the lawyer argued for the nullity of the agreement.

Sense 2:

Noun

The state of being insignificant, unimportant, or of no value.

Example sentences:

The critic dismissed the author's work as a nullity.
She felt like her opinions were often overlooked, making her existence seem like a nullity.
After the incident, his reputation in the field became a nullity.

Sense 3:

Noun

A mathematical term referring to a value or object that has no quantity or a value of zero.

Example sentences:

In the equation, the nullity of the matrix needs to be determined.
The nullity of the function was proven using calculus.
She found the nullity of the set to be surprisingly large.