- sound; just; well-founded: a valid reason.
- producing the desired result; effective: a valid antidote for gloom.
- having force, weight, or cogency; authoritative.
- legally sound, effective, or binding; having legal force: a valid contract.
- Logic. (of an argument) so constructed that if the premises are jointly asserted, the conclusion cannot be denied without contradiction.
- Archaic. robust; well; healthy.
Origin of valid
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for validly
Should he dispose of it properly, as one should with a validly slain foe?Anything You Can Do ...
Gordon Randall Garrett
All such liens may be validly stipulated for in the contract.
The Chamber of Deputies may not validly deliberate unless at least two-thirds of its Members are present at the deliberation.Secret History of the English Occupation of Egypt
Wilfrid Scawen Blunt
But it can do this validly only if M, its middle term, remains immutably itself, and is the same in both premisses.
For the laws of latent heredity or atavism apply to the soul just as validly as to the anatomical organization.
- having some foundation; based on truth
- legally acceptablea valid licence
- having legal force; effective
- having legal authority; binding
- having some force or cogencya valid point in a debate
- 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 validCompare invalid 2 (def. 2)
- archaic healthy or strong
Word Origin and History for validly
1570s, "having force in law, legally binding," from Middle French valide, from Latin validus "strong, effective," from valere "be strong" (see valiant). The meaning "supported by facts or authority" is first recorded 1640s.