VALID • DICTIONARY ONE.COM • Definition of Valid

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/vˈæləd/ /vˈælɪd/ Listen

adjective

Valid adj.

Strong; powerful; efficient. (Obs.) "Perhaps more valid arms... may serve to better us."

Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection. "An answer that is open to no valid exception."

(Law) Having legal strength or force; executed with the proper formalities; incapable of being rightfully overthrown or set aside; as, a valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage.

Synonyms: Prevalent; available; efficacious; just; good; weighty; sufficient; sound; well-grounded.

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Etymology of 'Valid'

Collaborative International Dictionary of English 0.48

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"Valid" Quotes from Famous Books

... I could cite you more; But be contented with these four; For when one's proofs are aptly chosen, Four are as valid as ...

— Elsie's children • Martha Finley

... quod non prius fuerit in sensu," was accepted, but with this addition, that the impressions on our senses were not themselves to be trusted. The mode of verifying sense-impressions, and the grounds of valid and necessary inference, had to be investigated and applied. It is manifest that if we can tell how it is we know, it follows that the method of ...

— The Great Events by Famous Historians, Volume 11 • Various

... acceptance of these words. We observe that certain phenomena always follow certain other phenomena, and these observations fix the idea in our mind that such phenomena bear to one another the relation of effect and cause. The conclusion is a perfectly valid one so long as we remember that in the last analysis the words "cause" and "effect" have scarcely greater force than the terms "invariable antecedent" and "invariable consequent"—that is to say, they express an observed ...

— A History of Science, Volume 5(of 5) - Aspects Of Recent Science • Henry Smith Williams

... monies, and on it was written, Building up. The third was the seal of the provisioning department and on it was written, Plenty. The fourth was the seal of the oppressed, and on it was written, Justice. And these usages remained valid in Persia until the revelation of Al-Islam. Chosroes also wrote his son, who was with the army, 'Be not thou too open handed with thy troops, or they will be too rich to need thee.'—And Shahrazad perceived the dawn of day and ceased to say her ...

— The Book of the Thousand Nights and a Night, Volume 2 • Richard F. Burton

... whole became by his means substantially clearer, and my love for the observation of Nature in detail became more animated. I shall always think of him with gratitude. He was also my teacher in natural history. Two principles that he enunciated seized upon me with special force, and seemed to me valid. The first was the conception of the mutual relationship of all animals, extending like a network in all directions; and the second was that the skeleton or bony framework of fishes, birds, and men was one and the ...

— Autobiography of Friedrich Froebel • Friedrich Froebel

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