Antonyms for valid
ˈvæl ɪdvalid

WiktionaryRate these synonyms:1.0 / 1 vote

1. validadjective

   Antonyms:
   invalid

2. validadjective

   I will believe him as soon as he offers a valid answer.

   Antonyms:
   invalid

3. validadjective

   Antonyms:
   invalid

4. validadjective

   Antonyms:
   invalid

5. validadjective

   A formula or system that evaluates to true regardless of the input values.

   Antonyms:
   invalid

   Synonyms:
   tautological

6. validadjective

   An argument is valid if and only if the set consisting of both (1) all of its premises and (2) the contradictory of its conclusion is inconsistent.

   Antonyms:
   invalid

English Synonyms and AntonymsRate these synonyms:2.3 / 3 votes

1. valid

   Antonyms:
   abortive, baseless, bootless, deceitful, delusive, empty, fruitless, futile, idle, inconstant, ineffectual, nugatory, null, profitless, shadowy, trifling, trivial, unavailing, unimportant, unprofitable, unreal, unsatisfying, unserviceable, unsubstantial, useless, vain, vapid, visionary, worthless

   Synonyms:
   adequate, advantageous, beneficial, competent, effective, efficient, expedient, potent, powerful, profitable, real, serviceable, solid, sound, substantial, sufficient, useful, valuable, worthy

Complete Dictionary of Synonyms and AntonymsRate these synonyms:3.3 / 3 votes

1. valid

   Antonyms:
   weak, invalid, powerless, unsound, unsubstantial, unavailable, inefficient, insufficient, inoperative, obsolete, effete, superseded, inconclusive

   Synonyms:
   strong, powerful, cogent, weighty, sound, substantial, available, efficient, sufficient, operative, conclusive

Princeton's WordNetRate these antonyms:1.0 / 2 votes

1. validadjective

   well grounded in logic or truth or having legal force

   "a valid inference"; "a valid argument"; "a valid contract"

   Antonyms:
   fallacious, invalidated, null, expired, sophistical, uncollectible, bad, nullified, false, unsound, invalid, sophistic, void

2. validadjective

   still legally acceptable

   "the license is still valid"

   Antonyms:
   sophistical, expired, uncollectible, invalid, bad, nullified, invalidated, unsound, false, sophistic, null, fallacious, void

Synonyms, Antonyms & Associated WordsRate these synonyms:4.0 / 2 votes

1. validadjective

   Antonyms:
   invalid

   Synonyms:
   cogent, logical, justifiable, efficacious, well-grounded

How to use valid in a sentence?

1. Jonathan Gibralter:

   It's not easy just to find what is the best research evidence, what are the best tried and true strategies. Of all of those strategies, if I were to take the time and research them myself, how do I know how valid they are? How do I know how effective they are? How do I know which one I would employ above any other?

2. Tommy Smothers:

   The only valid censorship of ideas is the right of people not to listen.

3. Marco Rubio:

   Nobody is saying that it should be legal to deny someone service at a restaurant or at a hotel because of their sexual orientation. I think that's a consensus view in America, the flip side is, should a photographer be punished for refusing to do a wedding that their faith teaches them is not one that is valid in the eyes of God?

4. Jim Greer:

   Like all companies, we are required by law to provide information to government and law enforcement agencies. In all cases, we ensure that requests for assistance are valid and that we act in compliance with the law.

5. Australian Department of Agriculture:

   The Department of Agriculture and Water Resources will be investigating the circumstances, including airline procedures, that led to the dog arriving in Australia, dogs imported to Australia must be accompanied by a valid import permit, and have undergone relevant testing and health checks signed off by a government veterinarian from the exporting country.

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