valid

adjectivecommon in dialogue

//ˈvæ.lɪd//
//ˈveɪ.lɪd//

Well-grounded or justifiable, pertinent.

adjective

1
Well-grounded or justifiable, pertinent.
I will believe him as soon as he offers a valid answer.
Few concepts are as emotionally charged as that of race. The word conjures up a mixture of associations—culture, ethnicity, genetics, subjugation, exclusion and persecution. But is the tragic history of efforts to define groups of people by race really a matter of the misuse of science, the abuse of a valid biological concept?
2
Acceptable, proper or correct; in accordance with the rules.
A valid format for the date is DD/MM/YY.
Do not drive without a valid license.
3
Related to the current topic, or presented within context, relevant.
4
Of a formula or system: such that it evaluates to true regardless of the input values.
5
Of an argument: whose conclusion is always true whenever its premises are true.
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
Genuine - as distinguished from efficient or regular - sacrament.

Etymology

Etymology tree Proto-Indo-European *h₂welh₁- Proto-Indo-European *h₂wl̥h₁éh₁yeti Proto-Italic *walēō Latin valeō Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idus Latin validusder. Middle French validebor. English valid Borrowed from Middle French valide (“healthy, sound, in good order”), from Latin validus, from valeō (“to be strong, to be healthy, to be worth”) + -idus, from Proto-Indo-European *h₂welh₁- (“be strong”).

Forms

comparative: more valid
superlative: most valid

Valerie · A female given name from French [in turn from Latin].valet · A man's personal male attendant, responsible for his clothes…valiant · Possessing or showing courage or determination; brave, heroic.

valid · Well-grounded or justifiable, pertinent.

Valium · The drug diazepam.valley · An elongated depression cast between hills or mountains,…Valley · A surname from landforms.

The neighbouring pages — Alphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.