valid
[ val-id ]
/ ˈvæl ɪd /
adjective
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.
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Origin of valid
SYNONYMS FOR valid
OTHER WORDS FROM valid
WORDS THAT MAY BE CONFUSED WITH valid
valet validWords nearby valid
valetudinary, valgus, valhalla, valiancy, valiant, valid, validate, validity, valinda, valine, valinomycin
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for valid
British Dictionary definitions for valid
valid
/ (ˈvælɪd) /
adjective
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
Derived forms of valid
validly, adverbvalidity (vəˈlɪdɪtɪ) or validness, nounWord Origin for valid
C16: from Latin validus robust, from valēre to be strong
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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