valid

B2
Pronunciation
/ˈvælɪd/
Adjective
6 definition(s)
1 Definition

Well grounded or justifiable, pertinent.

Example Sentences
  • I will believe him as soon as he offers a valid answer.
2 Definition

Acceptable, proper or correct; in accordance with the rules.

Example Sentences
  • A valid format for the date is MM/DD/YY.
3 Definition

Related to the current topic, or presented within context, relevant.

4 Definition

Of a formula or system: such that it evaluates to true regardless of the input values.

5 Definition

Of an argument: whose conclusion is always true whenever its premises are true.

Example Sentences
  • An argument is valid if and only if the set consisting of both (1) all of its premises and (2) the contradictory of its conclusion is inconsistent.
6 Definition

Effective.

Example Sentences
  • He is a priest now: although his ordination was contrary to the law of the church, it was still valid.