Valid

/ˈvæl.ɪd/

Meaning & Definition

adjective

Having a sound basis in logic or fact; reasonable or cogent.

The lawyer presented a valid argument that convinced the jury.

Accepted or official; legally binding.

Make sure your ticket is valid before boarding the train.

Well-founded and acceptable; capable of being supported or justified.

The researcher provided valid data to back up her conclusions.

In the context of computer science, it refers to data that conforms to the rules and specifications expected for a particular format.

The form was not submitted because it did not contain valid input.

In mathematical logic, a term referring to an argument or statement that is logically sound.

The theorem is valid under the assumptions provided.

Late Middle English: from Latin validus, from valere 'to be strong, be worth'.

valid point

A statement or argument that is logically correct.

valid excuse

A reason that is acceptable or justifiable.

valid contract

A contract that is legally binding.

validate

To confirm or support the validity of something.

invalid

Not valid; having no force or effect.

validation

The process of confirming something's validity.

Used to confirm something impressive or acceptable.

That idea is valid, man!

Recognizing someone’s point as credible.

You made a valid point there, I see what you mean.