valid

[ val-id ]

adjective

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.

   Synonyms: cogent, substantial

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.

   Synonyms: convincing, logical

6. Archaic. robust; well; healthy.

valid

/ ˈvælɪd; vəˈlɪdɪtɪ /

adjective

1. having some foundation; based on truth
2. legally acceptable

   a valid licence

3. 1. having legal force; effective
   2. having legal authority; binding
4. having some force or cogency

   a valid point in a debate

5. 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
6. archaic.
   healthy or strong

Derived Forms

• validity, noun
• ˈvalidly, adverb

Other Words From

• 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 History and Origins

Origin of valid¹

First recorded in 1565–75; from Latin validus “strong,” from val(ēre) “to be strong” + -idus -id ⁴; prevail ( def )

Word History and Origins

Origin of valid¹

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

Example Sentences

She said that in her view, Trump “and the tens of millions of Americans who voted for him have valid concerns” related border security.

From BBC

Among other crucial changes is the mandatory requirement for boards to register their properties with district collectors, who would recommend to the government whether the waqf’s claim to a property is valid.

From BBC

Egyptian officials said the vessel had a valid safety certificate and was understood to have no technical problems.

From BBC

The contractors routinely tell farmers that the workers have valid paperwork.

From Los Angeles Times

Sixteen winners will be issued a badge to watch the hearing, which must be worn at all times and is only valid for the date issued.

From Los Angeles Times

Related Words

• accurate
• authentic
• binding
• compelling
• conclusive
• credible
• good
• lawful
• legal
• legitimate
• logical
• original
• persuasive
• solid
• true
• well-founded