If a marriage is declared ____ and void by the court, it is no longer legally valid

adjective

1. Having no legal or binding force invalid

   "a null contract"

2. Amounting to nothing nil

   "the null uselessness of the wireless transmitter that lacks a receiving station"

3. Having no value insignificant

   "… news as null as nothing …"

4. Having no elements see element

   "null set"

5. Having zero as a limit

   "null sequence"

6. Having all elements equal to zero
7. Indicating usually by a zero reading on a scale when a given quantity (such as current or voltage) is zero or when two quantities are equal
8. Being or relating to a method of measurement in which an unknown quantity (as of electric current) is compared with a known quantity of the same kind and found equal by a null detector
9. Of, being, or relating to zero

   "The meter gave a null reading."

10. Zero

noun

1. Zero
2. A condition of a radio receiver when minimum or zero signal is received
3. A minimum or zero value of an electric current or of a radio signal

verb

1. To make null

adjective

1. Having no force, binding power, or validity

noun

1. A statistical hypothesis to be tested and accepted or rejected in favor of an alternative

noun

1. A subspace of a vector space consisting of vectors that under a given linear transformation are mapped onto zero

noun

1. The number of elements in the set of all integers which is the smallest transfinite cardinal number