VALID

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does valid mean? 

• VALID (adjective)
  The adjective VALID has 2 senses:

1. well grounded in logic or truth or having legal force

2. still legally acceptable

  Familiarity information: VALID used as an adjective is rare.

 Dictionary entry details 

• VALID (adjective)

Sense 1

Meaning:

Well grounded in logic or truth or having legal force

Context example:

a valid contract

Similar:

binding (executed with proper legal authority)

effectual; legal; sound (having legal efficacy or force)

legitimate; logical (based on known statements or events or conditions)

reasoned; sound; well-grounded (logically valid)

validated (declared or made legally valid)

Also:

legitimate (of marriages and offspring; recognized as lawful)

reasonable; sensible (showing reason or sound judgment)

Antonym:

invalid (having no cogency or legal force)

Derivation:

validity (the quality of being valid and rigorous)

validness (the quality of having legal force or effectiveness)

Sense 2

Meaning:

Still legally acceptable

Context example:

the license is still valid

Similar:

unexpired (not having come to an end or been terminated by passage of time)

Derivation:

validity; validness (the quality of having legal force or effectiveness)

 Context examples 

Shown to be valid beyond a reasonable doubt.

(Established, NCI Thesaurus)

This is acting on first impulses; you must take days to consider such a matter, ere your word can be regarded as valid.

(Jane Eyre, by Charlotte Brontë)

Used to indicate that either or both of two items or options may be valid.

(And/Or, NCI Thesaurus)

No longer in use or valid; old.

(Obsolete, NCI Thesaurus)

However, according to a researcher at the University of Geneva (UNIGE) in Switzerland, these concepts may be no longer valid: the phenomena they are supposed to describe can be demonstrated without them.

(There May Be No Dark Matter, Dark Energy in Universe, The Titi Tudorancea Bulletin)

They can be thought of as synonyms or alternative valid forms of a particular concept.

(NCI Concept Atom, NCI Thesaurus)

Unfortunately, BPS is also an endocrine disruptor, and its environmental persistence is greater than that of BPA, so it’s not a valid option.

(Purchase receipts with easily erasable ink contain cancer- and infertility inducing substances, University of Granada)

I can never bring myself to recognize anything else as valid.

(The Sea-Wolf, by Jack London)

Don’t you see that the converse is equally valid.

(The Adventures of Sherlock Holmes, by Sir Arthur Conan Doyle)

Like people who stutter, the mice were normal in all other ways, reinforcing earlier research that suggests that the mice can serve as a valid animal model for important features of this disorder.

(Study in mice identifies type of brain cell involved in stuttering, National Institutes of Health)