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Definitions for Valid

[1] sound; just; well-founded: a valid reason.
[2] producing the desired result; effective: a valid antidote for gloom.
[3] having force, weight, or cogency; authoritative.
[4] legally sound, effective, or binding; having legal force: a valid contract.
[5] Logic . (of an argument) so constructed that if the premises are jointly asserted, the conclusion cannot be denied without contradiction.
[6] Archaic . robust; well; healthy.
[7] having some foundation; based on truth
[8] legally acceptable a valid licence
[9] having legal force; effective having legal authority; binding
[10] having some force or cogency a valid point in a debate
[11] logic (of an inference or argument) having premises and conclusion so related that whenever the former are true the latter must also be true, esp (formally valid ) when the inference is justified by the form of the premises and conclusion alone. Thus Tom is a bachelor; therefore Tom is unmarried is valid but not formally so, while today is hot and dry; therefore today is hot is formally valid Compare invalid 2 (def. 2)
[12] archaic healthy or strong

Words related to Valid

credible, good, well-founded, solid, authentic, accurate, persuasive, binding, legal, logical, compelling, legitimate, lawful, original, conclusive, true, authoritative, cogent, confirmed, convincing

Words nearby Valid

valetudinary, valgus, valhalla, valiancy, valiant, valid, validate, validity, valinda, valine, valinomycin

Origin of Valid

1565–75; < Latin validus strong, equivalent to val(ēre ) to be strong + -idus -id4

Words that may be confused with Valid

valet, valid

Other words from Valid

val·id·ly , adverb
val·id·ness , noun
non·val·id , adjective
non·val·id·ly , adverb
non·val·id·ness , noun
pre·val·id , adjective
pre·val·id·ly , adverb
qua·si-val·id , adjective
qua·si-val·id·ly , adverb

Word origin for Valid

C16: from Latin validus robust, from valēre to be strong

Synonyms for Valid

accurate, authentic, binding, compelling, conclusive, credible, good, lawful, legal, legitimate, logical, original, persuasive, solid, true, well-founded, attested, authoritative, bona fide, cogent, confirmed, convincing, determinative, efficacious, efficient, in force, irrefutable, just, kosher, legit, official, potent, powerful, proven, pure, sound, stringent, strong, substantial, telling, tested, trustworthy, ultimate, unadulterated, unanswerable, uncorrupted, weighty, well-grounded